Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
S P - A 3 1 0
Service
Parts Manual
September 1996
Revision C-02
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
WARNING LABELS
i
Download from Www.Somanuals.com. All Manuals Search And Download.
SAFETY
ALL Areas
INTERNAL LASER RADIATION
Maximum radiation power: 8.8 x
Wavelength: 770-8 10
This is a Class
Laser Diode Assy. that has an invisible Laser Beam. The Print Head
Unit is NOT A FIELD SERVICE ITEM. Therefore, the Print Head Unit should not be
opened under any circumstances.
U.S.A. Only
LASER SAFETY
This LBP printer is certified as a Class 1 laser product under the U.S. Department of Health
and Human Services
Radiation Performance Standard according to the Food, Drug
and Cosmetic Act of 1990. This means that the LBP printer does not produce hazardous laser
radiation.
Since radiation emitted inside the LBP printer is completely confined within protective
housing and external covers, the laser beam cannot escape from the LBP printer during
any phase of user operation.
CDRH REGULATIONS
The Center for Devices and
Health (CDRH) of the U.S. Food and Drug
Administration implemented regulations for laser products on August 2, 1976. These
regulations apply to laser products manufactured from August 1, 1976. Compliance is
mandatory for products marketed in the United States. The label shown in the figure
indicates compliance with the CDRH regulations and must be attached to laser products
marketed in the United States-.
CLASSIFICATION OF
LASER PRODUCT
This product is classified as a Class 1 Laser Product under the CDRH Regulations U.S.A..
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by the manufacturer.
Discard
batteries according to manufacture’s instructions.
ii
Download from Www.Somanuals.com. All Manuals Search And Download.
.
Denmark Only
ADVARSEL!
Lithiumbatteri-Eksplosionsfare ved
kun ske med
Lever det brugte batter-i tilbage
fabrikat og type.
Norway Only
ADVARSEL
Ved
benyttes kun batter-i som anbefalt av apparatfabrikanten.
retumeres
Sweden Only
VARNING
vid felaktigt
batterityp
en ekvivalent
som rekommenderas av
batter-i enligt fabrikantens
VARNING!
Osynlig
Behakta ej
och
urkopplad.
Finland Only
Pristo voi
Vaihda
jos se on
ohjeiden
mukaisesti.
VARO!
Avattaessa ja suojalulcitus
katso
olet
New Zealand Only
Warning
“Immediately disconnect the equipment should it become physically damaged, and arrange
for its disposal or repair before reconnecting.”
“Disconnect the Telecom Network connection before disconnecting the Power connection
prior to relocating the equipment, and reconnect the Poker first.”
User Instruction (For all users)
The outlet should be located near the printer and should be easily accessible.
Download from Www.Somanuals.com. All Manuals Search And Download.
Please read the following for your own protection.
Caution
Opening the cover indicated by the
label below may expose you to
harmful laser radiation which could cause damage or loss of eyesight. Do not
Open the Cover when the power is on.
iv
Download from Www.Somanuals.com. All Manuals Search And Download.
PRECAUTIONS
(1)
CLEANING for the Disassembly procedure.
disassembling and
Refer to D: DISASSEMBLY/
Be sure to unplug the
tors on the
themselves, always make
the power is OFF first.
1. When unplugging
Always unplug
by holding the connector housing. Pulling on the power cord can lead
to problems with poor contact.
that a body ground not be used
carrying out any trouble-shooting
procedure. Be sure to ground DC lines to a ground test point on the P.W.B.
(2) At Replacement/ Adjustment/ Cleaning
2. Do not disassemble the Imaging Cartridge or the Print Head Unit
Caution
1. Keep your hands. clothing, etc. well away from operating or rotating
2. Never touch the
electrical parts or high voltage parts.
HANDLING THE P.W.B.
the
precautions
a P.W.B. with
( 1) During Transportation/ Storage
1. During transport and storage,
absolutely
should be kept
bags or on mats and not
not them.
2.
should be stored in a place where direct sunlight
(2) At Replacement
1. Before removing connectors from a
make sure
printer has
2. When
avoid
are
out of their conductive bags or off their mats, hold them by
or the patterned surfaces.
edges to
( 3) At Inspection
1. Avoid checking a P.WB. with testers; instead, use
and other means to operational
of
2. Be careful not to short-circuit
using metal instruments or screws.
3. If it is necessary to touch elements on
P.W.B. with your hand, make
your body is properly
Download from Www.Somanuals.com. All Manuals Search And Download.
CONTENTS
A: PRODUCT INSTALLATION
FOR INSTALLATION ......................................................................................
A- 1
A-l
A-l
A-l
...........................................................................................................
A- 1
A-l
A-2
2. INSTALLATION .........................................................................................................................
B: GENERAL INFORMATION
1. SPECIFICATIONS
B-l
B-3
B-4
B-5
B-6
B-7
......................................................................................................................
2. PARTS IDENTIFICATION .........................................................................................................
3. COMPONENT LAYOUT ............................................................................................................
4. GEARS/ ROLLERS ASSIGNMENT ..........................................................................................
5.
6.
7.
8.
LAYOUT
..................................................................................
LAYOUT ........................................
SENSORS
SE RVICE PARTS ON P. W. BOARDS
.
.................................................................
.......................................................
..............................................................
........... B-8
B-9
9. SYSTEM LAYOUT ...................................................................................................................
B-10
B-10
9-l. Drive
....................................................................................................................
................................................................
.......................................... B-11
10. SEQUENCE FLOW
11.
..................................................................................................................
..............................................................................................................
B-12
B-13
vi
Download from Www.Somanuals.com. All Manuals Search And Download.
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C-l
1.
PROCESS
PAPER
........................................................................................................................
C-2
c-2
.............................................................................................................
2-1. Multi-purpose Tray
..........................................................................................................
c-3
Tray
2-2.
Cassette
............................................................................................................
3. IMAGING CARTRIDGE
c-5
c-5
.........................................................................................................................
C-6
6. DEVELOPMENT
..................................................................................................................................
C-6
c-7
C-8
..............................................................................................................
9. PAPER EXIT/ DUPLEX
............................................................................................................................
C-8
9.1. Paper Exit
..................................................................................................................
C-8
9-2. Duplex (Option)
c-9
.........................................................
10. PRINTING SEQUENCE ..................................................
c-9
.............................................................................................................-9
...............................................................................................................-9
C
c
c-10
........................................................................................................
c-10
of Parts
D-l
l-l. Replacement
1-2.
1-3. Required
..........................................................................................................
D-l
.....................................................................................................................
.......................................................................................................-l
D
Tools
D-2
D-2
D-2
........................................................
D-6
............................................................................................................D...-6
.
. . . . . . . . . . . . . . . .
............................................................................................................
D-7
D-7
D
..-8
D-8
D
D-9
......................................................................................................................
D-9
vii
Download from Www.Somanuals.com. All Manuals Search And Download.
E: ADJUSTMENT
E-l
.
1
F-l
F-2
....................................................................................................
F-3
............................................................
F-3
2-3. ..................................................................................................................................
.
.....................................................................................................
...............................................................................................
...................................
....................................................................................................
F-6
F-6
.............................................................................
.
.
.........................................................................................F. -6
.
Black/ White lines
.....................................................................................................................
................................
“F-7
......................................................................................
...................................................................................................................
F-7
.F-7
...................................................................................................................
F-8
Black)
...........................................................................................................
No Image
Offset Image .............................................................................................................................
Download from Www.Somanuals.com. All Manuals Search And Download.
A: PRODUCT INSTALLATION
......................................................................................
FOR
...................................................................................................................
Site
A- 1
A-l
A-l
A-l
1.
l-l.
.............................................................................................
...........................................................................................................
l-3.
A-l
A-l
A-2
.........................................................................................................................
..........................................................................................................................
2. INSTALLATION
2-1.
Download from Www.Somanuals.com. All Manuals Search And Download.
1. PRECAUTION FOR INSTALLATION
l-l. Installation Site
installing the printer, please avoid
types of locations listed
both for safety
considerations and to avoid breakdowns.
Which is exposed to direct sunlight.
Which is damp or dusty.
Where it may be splashed with water.
Which is tilted or subject to undue vibratlon.
Where it will be subject to extremely high or low temperature or humidity.
Where it will be subject to sudden fluctuations In either temperature or humidlty.
Which is near volatile flammables or corrosive gas
Which is in the
Which Is near a
air stream of an air conditioner, heater, or ventilator.
set or radio.
.
1-2. Environmental Requirements
In order to make sure
printer functions in good
please make
Humidity fluctuation of
Atmospheric pressure
RH per
or more
or less
Humidity
Height
o - 2 5 0 0 m
.
Power Requirements
Do not plug the Power Cord into a power outlet via an extension cord supplying electricity to more than
120v
Power
Voltage fluctuaticm
When any other electric appliance is
from the same power outlet make sure
any object, allowing the user immediately unplug the
not be cracked or scratched.
capacity of
the outlet is not exceeded.
that the power outlet is not hidden
power cord
The power cord
2. INSTALLATION
2-1. Connection
The following
should be connected before use.
Cable.
Connect the Power Cord
A- l
Download from Www.Somanuals.com. All Manuals Search And Download.
1. SPECIFICATIONS
Printing
Exposure system
Print density
Print Image
Printing time
Multi printing time
:
Paper size
Transparency,
Paper (91
Label
1st
: 2 way system
:
70
(when power
:
Fusing system.
Charging system
Development
:Fine
system
Drum deaning’
Separating
image Transfer system
Dimensions
:
:
system
Weight
24 kg
1.9 kg.
0.5
. . .
Power supply
Power Consumption
: AC 120V
: 750 w
200 w less
30 w or
220V 240V
120v
. . .
. .
(low
120v
Noise
:
53 (A) or less (Operation)/ standard
38 (A) or less (Standby)
: 50,000 prints
Monthly Duty Cycle
operating life
the black-to-white ratio is 5% on multi
(0.02 ppm
or less
0.25
: Power cord
250 Sheet
B)
B-l
Download from Www.Somanuals.com. All Manuals Search And Download.
:
: 500 Sheet
unit
250 Sheet Third Cassette Unit
Sheet Cassette
250 Sheet Cassette
Duplex Unit
Super
:
Sheet
: Ordinary Plain Paper/ Recycled Paper
Paper
: 210 297 mm (width) x 148 432 mm (length)
A3 L, A4 WC. A5 C. B4 C. B5 C, Letter L/C
Paper size
lengthwise.
crosswise)
: Paper
system.
sheets
Paper Feeding system
:
Sheet Cassette
: Ordinary Plain
Paper
C:
Paper size
: A4 C or Letter C
Paper Feeding system
:
system,
sheets
: Third Cassette Unit
Paper
: Ordinary Plain Paper/ Recycled Paper
Paper size
Paper Feeding
Detecting Paper
: 250 sheet
sheets maximum)
1: sheets or less.
:
empty: 0 sheet
Paper
: 95.6 mm/ sec.
24V
near-empty 2: 250 sheets
System speed
Power supply
Dimensions
:
maximum (Supplied from printer.)
Weight
: Approx. 5.4 kg (Third Cassette Unit 3.3 kg + 250 Sheet Cassette 2.1 kg)
Third C. Unit operating life
:
Unit
:
Plain
Recycled Paper
Paper
Paper size
: 95.7 mm/ sec.
:
System speed
Power supply
Dimensions
maximum (Supplied
Weight
: Approx. 2.1 kg
: 150,000 sheets or 5
Duplex Unit operating
B-2
Download from Www.Somanuals.com. All Manuals Search And Download.
2. PARTS IDENTIFICATION
-6
8
1. Paper Feed Tray
2. Paper Exit Tray
3. Upper Unit Lock Release Lever
4. Duplex Unit (Option)
5. Duplex Lower Cover
6. Interface Connector
7.
8.
Cassette Unit
Cassette Unit (Option)
9. Imaging
10.500 Sheet Letter Cassette (Option)
11.250
10
B-3
Download from Www.Somanuals.com. All Manuals Search And Download.
3. COMPONENT LAYOUT
6
7
4
8
3
2
9
15. Registration Sensor
16. Roller
17. 2nd Transport Roller
18. 2nd Paper Take-up Roller
Paper Empty Sensor (PE2)
Paper Near-empty Sensor (PNE2)
)
Print Head Unit
2. A3 Exit Tray (stored type)
3. Paper Exit Tray
4. Imaging Cartridge
5.
6. Paper Exit Roller
7. Upper Fusing Roller
8. Paper Exit Sensor (PC3)
9. Lower Fusing Roller
21. Paper
Plate
Cassette Unit (Option)
Unit
Tray
24.
10. Duplex Transport Roller (Option)
11. Duplex Paper Sensor
25. Paper Take-up Roll
26. Paper Empty Sensor
Paper Near-empty Sensor
27. Toner Empty Sensor
12. Image Transfer Roller
13. Paper Take-up Sensor
14. Duplex Cover Switch (Option)
Download from Www.Somanuals.com. All Manuals Search And Download.
4. GEARS/ ROLLERS ASSIGNMENT
.
the optional 3rd Cassette Unit via
the Duplex Unit.
Main Motor
each gear. The duplex unit Transport Motor
(Refer to C:
transmits
drive to
rollers of the printer
the drive
Cassette Unit, 9-2.
Rol l e r
Exi t
Ge a r Ra t i os
1. 20
2. 77
3. 75
4.
5. 33
7. 38
10. 39
11. 15
1. 2. 15
13. 39
14. 14
1 6 . 2 4
17. 14
18. 20
20. 16
21. 44
24. 18
27.
28. 18
30. 44
31. 25
Pa pe r Ta ke - up Rol l
Ge a r
Rol l e r
B- 5
Download from Www.Somanuals.com. All Manuals Search And Download.
5. ELECTRICAL COMPONENT LAYOUT
M6
PWB-B
PC4
Take-up
Sensor
PC1
Main control Board
2nd Cassette Unit Board
Power Unit
PWB-A
PWB-C
PWB-E
PWB-F
Paper
PC3
Registration
Paper Empty Sensor
Paper Near-empty Sensor
2nd Paper Empty Sensor
High Voltage Unit
Toner Empty Board
Resistor Board
PE2
PWB-R
2nd
Near-empty Sensor
Main Motor
Heater Lamp
Toner Empty Sensor
Thermistor
Fusing Fan Motor
Power Fan Motor
Take-up Solenoid
Thermostat
2nd
Take-up Solenoid
SL2
CL1
Duplex
Registration Clutch
Power Switch
. . .._..“..... . .
. . . . .
Interlock Switch
Duplex Cover Switch
2nd Paper Size Switch
s2
Download from Www.Somanuals.com. All Manuals Search And Download.
6. CONNECTORS LAYOUT
J
( I -
/ ’
Paper Take-up Sensor
Paper Exit Sensor
Registration Sensor
Paper Empty Sensor
Paper Near-empty Sensor
2nd Paper Empty Sensor
2nd Paper Near-empty Sensor
Heater Lamp
OA
CN3
Main Control Board
2nd Cassette Unit Board
Power Unit
High Voltage Unit
Main Motor
Fusing Fan Motor
Power Fan Motor
Transport Motor
PWB-C
PWB-E
PWB-F
OA
Toner Empty Sensor
CNEA
Switch back Motor
Paper Take-up Solenoid
2nd Paper Take-up Solenoid
Registration Clutch
Power Switch
B(PH)
Duplex Unit (Option)
Duplex Control Board
CN8
E
.
Duplex Cover Switch
Interlock Switch
2nd Paper Size Switch
, Duplex Paper Sensor,
B-7
Download from Www.Somanuals.com. All Manuals Search And Download.
7. SWITCHES/ SENSORS IDENTIFICATION
Printer, Duplex Unit.
Function
ON and OFF.
Turns
Interlock Switch
Duplex Cover Switch (Option)
2nd Paper Size Switch
Paper Take-up Sensor
PC1
Detects the paper exit
Unit Active:
in Duplex Unit. Active:
Defects the timing of 2nd Cassette Unit. Duplex
Detects paper empty condition. Active:
I
Paper Near-empty
Detects 50 sheets of
Active:
PE2
2nd Paper Empty Sensor
Detects paper empty of 2nd Cassette Unit. Active:
2nd Paper Near-empty
Sensor
Detects 50 sheets
Active:
2nd Cassette Unit.
Paper Near-empty
Sensor
Detects 250 sheets of paper for 2nd
Active:
Unit
Toner Empty Sensor
Detects toner empty condition. Active:
Thermistor
Detects
of Upper
Roller.
Thermostat
Cuts OFF
Lamp when temperature is
I
E-8
Download from Www.Somanuals.com. All Manuals Search And Download.
9.
LAYOUT
9-1. Drive
: Mechanical Control and Sensor Layout
Main Control
Board
(PWB-A)
Take-up Sensor
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transport Roller
. . . . .
Transfer
Fusing Roller
Paper Exit Roller
Registration Clutch
Sensor
. . . . . . . . . . . . . . . . . .
Polygon Motor
of
. . . .1
(I
)
..............
.............................
Sensor
Switchback Motor
B-10
Download from Www.Somanuals.com. All Manuals Search And Download.
9-2. Electrical Section
: Power Supply and Signal Transmission
OEM Setup
Control Panel
II
Print Head Unit
Imaging Cartridge
Solenoid
e
f
a
C
e
Unit
Signal line
Power line
The Power source supplies
main control board
and
to the main
board and AC to the Heater Lamp.
Print Head unit, and Duplex Unit.
various parts of the
B-1
Download from Www.Somanuals.com. All Manuals Search And Download.
IO. Sequence Flow
To
out printing
are transferred between
Controller, main control and
engine as shown below.
Host PC
Main Control
Controller
Interface
. . . . . . . . . . . . . . . . . .
. . . .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Command Processor
Standby
Image Processing
SYNC
Charging
Transfer
Image Line Memory
B-l 2
Download from Www.Somanuals.com. All Manuals Search And Download.
C: MECHANICAL/ ELECTRICAL
C-l
c-2
C-2
C-3
Tray .............................................................................................................
.............................................................................................
.........................................................................................................
.... c-4
c-5
c-5
C-6
c-6
8. F USING .......................................................................................................................................
9. PAPER .............................................................................................................
9-1. Paper Exit ...........................................................................................................................
C-7
C-8
C-8
C-8
c-9
c-9
C-9
sequence .............................................................................................................
c-9
c-10
C-10
..*... .....................................
....................................................................................................
Download from Www.Somanuals.com. All Manuals Search And Download.
2. PAPER FEEDING
Paper is fed from either the multi-purpose tray (holding up to 150 sheets of paper) or the
paper tray.
cassette
may be installed to
as a
cassette capable of holding 500 sheets of paper
a
capable of holding 250 sheets of paper.)
paper
sensor
detects a
which the amount of paper still available for use
2-1.
Tray
drive is
from the main drive motor
to the paper take-up clutch (one-way clutch), paper
roll, and the push-down cam.
When the
complete turn. As the
take-up solenoid
is
the paper take-up roll and push-down cam
the paper lifting plate is raised so that the paper
separator pad ensures
one
roll can
cam
up one sheet of paper. The friction
Pushdown Cam
Transport Roll
Paper Take-up Sensor
Paper Take-up Clutch
\
Paper Near-empty Sensor
Paper Take-up Roll
Paper Take-up Solenoid
Paper Empty Sensor
lifting Plate
c-2
Download from Www.Somanuals.com. All Manuals Search And Download.
2-2. Second Cassette Tray
drive for the
paper take-up roll, and
paper tray is
paper tray is transmitted from the printer to the intermediary
by the main control board via the control board
drum. paper separator prevent
paper take-up
a sheet of
and the transport roller feeds it to
detects a
in
the amount of paper still available for
in tbe same way.)
is 50
sheets less or 250 less.
optional Third Cassette Unit is
: Paper size Switch
Note: 0: ON, 1: OFF
Transport Roller
Intermediary Gear
Switch
Paper
Plate
c-3
Download from Www.Somanuals.com. All Manuals Search And Download.
4. CHARGING
n
.
A rotary brush is
to charge tbe PC Drum by static electricity
laser exposure. It applies
directly to the PC Drum at a low voltage and
the of ozone produced is only
Charge Brush
Charge bias
Laser
5. EXPOSURE
Laser Diie
\
Polygon Mirror
PC Drum
Download from Www.Somanuals.com. All Manuals Search And Download.
6. DEVELOPMENT
.
unit feeds
visible toner image.
to the electrostatic latent image on the surface of the PC drum to produce a
is approx.
The
roller voltage is made positive to
Readings are taken while the Main drive
the OV
detection of a
Hiih Volt-
age Unit
PC Drum
seal
Feed Roller
\
Toner
7. TRANSFER
N e e d l e
Drum
PC
PC Drum
\-Transfer roller
Transfer guide
Transfer bias
I
Download from Www.Somanuals.com. All Manuals Search And Download.
8. FUSING
tly fixes the toner image onto
paper.
is accomplished by a
The
and lower
fusing roller, which is heated by a
built into it, melts the toner and then
The thermistor
thermostat
detects the
turns OFF as it
the for
an
high
cutting
to the
Heater Lamp
: Fusing Temperature Control Circuit
The
detects
of
upper fusing
and inputs the
analog voltage.
detected by the
the
abnormally high temperature.
of the upper
forces
the thermistor detects
Heater Lamp OFF.
Thermistor
Detects Analog
Thermistor
in
: Fusing Unit Temperature Control
1. During warm-up The
2. During print
starts
to
a temperature of approx.
when the power
receivin g print
fusing
starts a temperature control cycle to keep the
temperature at approx.
3.
standby
fusing
is maintained at approx.
4. Energy saving
The
OFF the. Heater Lamp.
Te.mper.atu.re. . Curv.e
.
.
.
.
.
.
.
.
.
.
.
.
.
..."
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
....
Thermistor
I
OFF
I
Lower Fusing Roller
i
2 min.
5 min. 5 min.
-
, Time
I
c-7
Download from Www.Somanuals.com. All Manuals Search And Download.
9. PAPER EXIT/ DUPLEX
9-t. EXIT
.
paper
roller receives its drive
Main Drive Motor (Ml) via a gear train. The
is fed onto
exit tray with its printed side down
Paper
Roller
Paper Exit
Paper Exit Sensor
Roller
Upper Fusing
switchback
Registration Roller
9-2. Duplex (Option)
the duplex unit is mounted on the printer,
coupling lever and gear.
exit roller is
to the switchback motor
by
way of
1. When the printing cycle is completed for l-sided printing,
the printer by exit roller.
paper, moving past the exit sensor, is fed out
2.
the printing cycle is completed for the front side in
printing, the paper is
towards the exit by
exit roller until it moves past the exit sensor. When the paper
past the exit sensor,
motor
is
feeding the paper back to the duplex paper take-up area The transport motor
the paper up to the registration roller. Skew in paper is
feeds the paper to the image
by
registration
then
paper,
far printing to the back side. The
gone through the
print cycle, is fed out of the printer by the exit
C-8
Download from Www.Somanuals.com. All Manuals Search And Download.
D: DISASSEMBLY/ CLEANING
D-l
....................................
.................... ...........................
s.......................................................................................................
of Part
l-l.
1-2. Cleaning Parts .....................................................................................................................
D-l
1-3.
Service Tools ......................................................................................................
.................................................................................................
2-l. Outer cover ........................................................................................................................
D-2
D-2
..I........................................
D-8
2-10. Drive Unit .........................................................................................................................
D-8
D-8
D-9
......................................................................................................................
Download from Www.Somanuals.com. All Manuals Search And Download.
1. MAINTENANCE/ INSPECTION
.
l-l. Replacement of Parts
Replacement Cyde
Parts Name
Imaging Cartridge
Multi printing:
of fault, or,
of fault, 120,000
8,000 sheets
At
Paper Take-up Roll
Fusing Unit
At
of multi printing
At detection
or, 120,000 sheets of multi printing
Image Transfer Unit
1-2. Cleaning Parts
Cleaning Procedure
Parts Name
Paper Take-up Roll
Fusing Roller
Image Transfer Roller
Note: Do not touch the surface of the Image Transfer Roller with the hand.
l-3. Required Service Tools
-Driver
Needle Nose Pliers
I
I
Tools
E-ring
E-ring
Generally use
Note: Grease: For the Drive Section:
I
EMBOL
D-l
Download from Www.Somanuals.com. All Manuals Search And Download.
2. DISASSEMBLY PROCEDURE
Before
the disassembly
press the upper
lock release button to
the Upper Unit.
Imaging Cartridge.
2-1. Outer Cover
1. Remove the Left Cover. (2
Upper Unit Lock Release Button
2. Remove the Right Cover. (3 screws)
3. Remove the Upper Unit. (2 screws)
4. Remove the Right Front Cover. (1 screw)
5. Remove the Front Cover. (6 screws)
6. Remove the Rear Cover. (2 screws)
2-2. Fusing Unit
1. Remove the Outer Cover. (Refer to section
2-l.)
2. Remove the Fusing Unit. (4 screws, 3
Note: When reassembling the Fusing
Unit, adjust the position of the Image
Transfer Unit.
Pin
D- 2
Download from Www.Somanuals.com. All Manuals Search And Download.
: Heater Lamp Cover
3. Remove the Left
Lamp Cover. (1 screw)
Cover
Left Heater Lamp
I
Note: When removing the Left Heater Lamp
Cover, turn the Cover in the clockwise
direction.
4. Remove the Right Heater
Cover.
Heater Lamp Cover
Note: When removing the Right Heater Lamp
Cover, turn the Cover in the counter
direction.
- do221
: Heater Lamp
the stopper and
the Heater Lamp in the direction indicate
by the arrow, remove it from the heater
D- 3
Download from Www.Somanuals.com. All Manuals Search And Download.
: Paper Exit Sensor
1.
Exit Sensor. connector)
2. Remove
(1 spring)
: Lower Fusing Roller
1.
Rear
(2
the
and remove the Lower Fusing Roller.
1. Release the stoppers of
separator.
2. Pulling and sliding remove the stoppers.
Note: The two paper separator finger stoppers
on the right face the opposite direction to the
two on the left.
D-4
Download from Www.Somanuals.com. All Manuals Search And Download.
: Thermistor
1. Remove the front Fusing Cover. (2 screws, 1
2. Remove Thermistor. (1 screw)
: Thermostat
1. Remove the
(2
: Upper Fusing Roller, Gear, G-ring, E-ring
Remove the G-ring.
2. Remove Gear, Ring. Bushing.
r
3. Remove
Upper
Roller as indicated by
the arrow.
4. Remove the Gear. (1 E-ring)
D-5
Download from Www.Somanuals.com. All Manuals Search And Download.
Note: When disassembling/ reassembling the Transfer Unit, High Voltage Unit, Registration
n
.
Roller Assy. and Paper Take-up Roller Unit, please note
each has a peg that fits into
a hole in the
Frame and a screw that secures the unit in the Left Frame.
Release each unit from the Drive Unit
when removing the unit.
Image Transfer Unit
1. Remove the Outer Cover. (Refer to sect. 1)
2. Remove the Fusing Unit. (Refer to sect. 2-2)
3. Remove
connector)
Rear Frame. (6 screws, 1
Image Transfer Unit
Inter-face Plate
4. Remove
Image Transfer Unit. (1
Note: With the Left Frame open, release
the Transfer Unit. Pulling the Transfer
Unit in the direction indicated by the
arrow, remove it.
Note: Don’t touch the surface of the
Transfer Roller with the hand.
Left Frame
High Voltage Unit
1. Remove the Outer Cover. (Refer to sect. 1)
High Voltage Unit
2. Remove
Fusing Unit. (Refer to sect. 2-2)
3. Remove the Transfer Unit. (Refer to sect. 2-
3)
4. Remove the
Voltage Unit. (1 screw, 1
Note: Pulling the High Voltage Unit in the
direction indicated by the arrow,
remove it.
D-6
Download from Www.Somanuals.com. All Manuals Search And Download.
2-5. Power Unit
1. Remove the Outer Cover. (Refer to sect. 2-l)
2. Remove the Power Unit. (6 screws,
2-6. Print Head Unit
1. Remove the Outer Cover. (Refer to sect. 1)
2. Remove
Harness Cover. (2 screws)
Note: Pulling the harness cover to the
right, remove it.
3. Remove the
Head Unit. (3 screws, 1
connector)
Download from Www.Somanuals.com. All Manuals Search And Download.
2-7. Paper Empty Sensor Assy.
2. Remove the
3. Remove Paper Empty Sensor
Cover.
to sect
(3
2
Note: After reinstallation, Secure the harness
in the wire saddle.
Paper Take-up Roll Assy.
Transport Guide
Take-up Roll Assy.
sect.
3. Remove
Paper Take-up Roll
(1 screw)
2-9. Registration Roller
2.
the Fusing
the
(Refer to
Unit.
2-2)
2-3)
4. Remove the High Voltage Unit. (Refer to sect.
5. the Paper Empty
to
sect.
6. Remove the Paper
Plate. (1 screws)
Note: Move the printer Left Frame in the
direction of the arrow to unlock the
the
from
7.
the Paper
Roller Unit. (1
Note:
the unit in the direction of
arrow
to unlock it from the tight drive unit of the
printer.
D-8
Download from Www.Somanuals.com. All Manuals Search And Download.
8. Remove
Registration Roller
(3 screws)
i
099311102
2-10. Drive Unit
1. Remove
2. Remove
3. Remove
Cover.
Unit (Refer to sect
Transfer Unit to sect 2-3)
to
to
4. Remove the High Voltage Unit
7. Remove the Drive Unit (5 screws, 7
1. Duplex Unit
1.
2
2. Remove
Duplex Unit
Note: At reinstallation, position the two
positioning pins, coupling gear, and coupling
correctly.
D-9
Download from Www.Somanuals.com. All Manuals Search And Download.
E: ADJUSTMENT
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
F: TROUBLESHOOTING
F-l
F-l
F-2
F-2
F-2
F-2
.............................................................................................................
....................................................................................................................
.....................................................................................................
1-2. Fusing unit
1-3.
1-Q.
l-5.
........................................................................
...................................
................................................................................................
.......................................................................................................
Motor
malfunction
.........................................................
l-6. Main Motor malfunction ...........................................
.
F-2
F-3
F-3
F-3
F-4
F-4
F-5
F-5
F-5
F-5
F-5
...........................................................
.............................................................................
2. ACTION FOR
JAM OR
................................................................................................
F-6
3-1.
3-2. Skew
............................................................................................................................
...................................................................................................................................
F-6
F-7
F-7
F-7
F-7
F-7
F-8
F-8
...................................................................................................
TROUBLE
.....................................................................................................................
.........................................................................................................................
4.
lines
...................................................................................................................
.....................................................................................................................
Low Image Density
Foggy background
...........................................................................................................
No
(Blank/ Black)
..............................................................................................................................
Offset Image
Download from Www.Somanuals.com. All Manuals Search And Download.
1. JAM DETECTION
Note: This printer detects the following
and malfunctions. When any of these trouble
conditions is detected, all printer elements are brought to a stop except the fan motor.
l-l. JAM Detection
A
may be
into one of four categories,
and JAM4, as detailed below.
is in the deactivated state
1. When paper is fed
the Multi-purpose tray, the Paper Take-up Sensor
approx. 1.6 sec. after the Paper Take-up Roll has started
2. When paper is fed from the 2nd paper tray, the Registration
is in the deactivated state
approx. 1.4 sec. (approx. 2.5 sec. for the
Cassette Unit) after
Paper Take-up Roll has started
3.
paper is fed
approx. 1.0 sec. after the leading edge of
the 2nd paper
Paper Take-up Sensor
paper has reached
is
deactivated state
Sensor
is closed Duplex Cover closed (JAM2).
plus 2.8 sec.
has
the
edge of the
Sensor
has
Take-up Sensor
has-moved past the
Take-up
(JAM3).
closed a Duplex cover is closed
9. The Duplex Paper
in the deactivated state approx. 2.7 sec. after tbe
of
the Duplex unit has been
(JAM4).
paper has reached the Duplex Paper Sensor
11. When paper is fed
the Duplex,
Take-up
is in the
state approx.
Upper unit
1.0 sec. after
leading edge the paper has reached
Registration Sensor
The Duplex Paper
is in the
state
is
ON.
is closed a Duplex cover is closed
activated state when
is
Duplex cover is closed
: JAM Resetting Procedure
the JAM has
close
Unit or the Duplex
F-l
Download from Www.Somanuals.com. All Manuals Search And Download.
1-2. Fusing Unit malfunction
printer considers
is a fusing malfunction when any of the following four conditions is detected.
1.
of the upper fusing roller (as
the thermistor voltage is
or less over a period between 12 s e c . t o 30 s e c . a f t e r warm-up has
(with
fusing
temperature being
or less).
2.
3.
4.
fusing roller temperature
fusing roller temperature
fusing roller temperature
not exceed
for a 120 sec.
after warm-up has started.
less than
less than
in standby state.
during a printing cycle.
The fusing roller temperature remains more than
while the fusing temperature is being controlled.
13. Laser malfunction
laser output level is adjusted
printing.
A laser fault is detected if the output level cannot adjusted to the
value.
1-4. Polygon Motor malfunction
3. The SOS signal not output during printing time.-
Fan Motor malfunction
or less
speed/ low speed) for a
0.5 sec. period.
2. A power supply fan motor malfunction is detected when the voltage used to detect the
or less high speed) for a
supply fan
0.43 sec. period.
l-6. Main Motor malfunction
The
detected.
considers that
is a
drive motor malfunction when any of the following two conditions is
remains OFF for a continuous 1.0 sec. period.,
1. The main drive motor lock signal
tor
is OFF 1.0 sec. after the Main drive motor has
: Malfunction Resetting Procedure
After the malfunction has been cleared, turn the Power OFF for 3 sec. and then back ON.
F- 2
Download from Www.Somanuals.com. All Manuals Search And Download.
2-3. JAM3
No
Replace the Paper
Exit
(Fusing Unit)
Replace the
Board
2-4. JAM4
Yes
Duplex Paper
Registration
I
-
No
No
No
No
No
No
Replace the Transport
(Duplex Unit)
Exit Roller rotate
No
No
Switchback
rotate?
Switchback
Unit)
Motor
Motor
No
Reassemble the
F-4
Download from Www.Somanuals.com. All Manuals Search And Download.
2-5. Fusing Unit malfunction
.
No
Yes
Replace
I
N
o
N
o
l
No
N
o
Replace the
Power unit
Replace the
Replace the
(Fusing
Fuse
2-6. Laser
(Refer to
2-7. Polygon Motor malfunction)
2-7. Polygon Motor malfunction
Control Board
2-8. Fan Motor malfunction
No
No
Replace
t
Replace the Power
Motor
‘2-9. Main Motor malfunction
No
No
Replace the Main
plug in
.
(Drive Unit)
F-5
Download from Www.Somanuals.com. All Manuals Search And Download.
3. OTHER DETECTED TROUBLE
3-1. No Power
Yes
Yes
Power switch is
turned ON.
Securely plug in the
power cord to printer.
Securely plug in the power
cord to the AC outlet
No
Replace the Fuse
.
Power unit
3-2. Skew
No
1. Wipe the Fusing
2. Wipe the
3. wii
replace.
Exit Roller.
Paper is fed from
Multi-purpose tray?
No
Make sure the separators
Replace
Duplex
are
positioned
over the paper in the
cassette.
F-6
Download from Www.Somanuals.com. All Manuals Search And Download.
Action
Symptom
No Image
High developing bias
Low developing bias
Replace the High Voltage unit
Replace the Imaging Cartridge.
Black)
Replace the High Voltage unit
Change
Cartridge.
Offset Image
Improper transfer
Improper transport
Clean the
unit the Fusing unit.
F-8
Download from Www.Somanuals.com. All Manuals Search And Download.
2.5 Rev B (J 2.5 Rev
library 3
interpreter 210.0
,
.
I
1996
Tue Am- 16
Page 1 of 1
Print Messages ,
Broke
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
|
