Service manual
Table Of Contents
- COVER
- CAUTION
- Safety precautions
- CONTENTS
- 1-1 Specifications
- 1-2 Handling Precautions
- 1-3 Installation
- 1-4 Maintenance mode
- 1-5 Trouble Shooting
- 1-5-1 Paper misfeed detection
- 1-5-2 Self-diagnosis
- 1-5-3 Image formation problems
- (1) No image appears (entirely white).
- (2) No image appears (entirely black).
- (3) Image is too light.
- (4) Background is visible.
- (5) A white line appears longitudinally.
- (6) A black line appears longitudinally.
- (7) A black line appears laterally.
- (8) One side of the copy image is darker than the other.
- (9) Black dots appear on the image.
- (10)Image is blurred.
- (11)The leading edge of the image is consistently misaligned with the original.
- (12)The leading edge of the image is sporadically misaligned with the original.
- (13)Paper creases.
- (14)Offset occurs.
- (15)Image is partly missing.
- (16)Fixing is poor.
- (17)Image is out of focus.
- (18)Image center does not align with the original center.
- (19)Image is not square.
- (20)Image contrast is low (carrier scattering).
- 1-5-4 Electrical problems
- (1) The machine does not operate when the main switch is turned on
- (2) The drive motor does not operate when (C200)
- (3) The scanner motor does not operate.
- (4) The toner feed motor does not operate
- (5) Cooling fan motor 1 does not operate
- (6) Cooling fan motor 2 does not operate
- (7) Cooling fan motor 3 does not operate
- (8) The drawer motor does not operate
- (9) The registration clutch does not operate
- (10) The upper paper feed clutch does not operate
- (11) The lower paper clutch does not operate
- (12) Paper feed clutch (ST) 1 does not operate
- (13) Paper feed clutch (ST) 2 does not operate
- (14) The bypass paper feed clutch does not operate
- (15) The cleaning lamp does not turn on
- (16) The exposure lamp does not turn on
- (17) The exposure lamp does not turn off
- (18) The fixing heater does not turn on (C610)
- (19) The fixing heater does not turn off
- (20) Main charging is not performed
- (21) Transfer charging is not performed
- (22) No developing bias is output
- (23) The original size is not detected
- (24) The original size is not detected correctly
- (25) The message requesting papaer to be loaded is shown when paper is present
- (26) The message requesting papaer to be loaded is shown when paper is present in the upper drawer
- (27) The message requesting papaer to be loaded is shown when paper is present in the lower drawer
- (28) The size of paper in the upper drawer is not displayed correctly
- (28) The size of paper in the upper drawer is not displayed correctly
- (29) The size of paper in the lower drawer is not displayed correctly
- (30) The printing width of the paper on the bypass is not detected correctly
- (31) A paper jam in the paper feed, paper conveying or fixing section is indicated when the main switch is turned on
- (32) The message requesting covers to be closed is displayed when the front cover, paper conveying unit and lower drawer left
- (33) Others
- 1-5-5 Mechanical problems
- 1-6 Assembly and disassembly
- 1-6-1 Precautions for assembly and disassembly
- 1-6-2 Paper feed section
- (1) Detaching and refitting the upper and lower paper feed pulleys
- (2) Detaching and refitting the bypass paper feed pulley
- (3) Detaching and refitting the left registration cleaner assembly
- (4) Detaching and refitting the right registration cleaner assembly
- (5) Detaching and refitting the bypass paper width switch
- (6) Adjustment after roller and clutch replacement
- 1-6-3 Optical section
- (1) Detaching and refitting the exposure lamp
- (2) Detaching and refitting the scanner wires
- (3) Detaching and refitting the laser scanner unit
- (4) Adjusting the skew and vertical shifting of the laser scanner unit
- (5) Detaching and refitting the ISU (reference)
- (6) Adjusting the position of the ISU (reference)
- (7) Adjusting the longitudinal squareness (reference)
- (8) Adjusting magnification of the scanner in the main scanning direction
- (9) Adjusting magnification of the scanner in the auxiliary scanning direction
- (10) Adjusting the scanner leading edge registration
- (11)Adjusting the scanner center line
- (12) Adjusting the margins for scanning an original on the contact glass
- 1-6-4 Main charging section
- 1-6-5 Drum section
- 1-6-6 Developing section
- 1-6-7 Transfer section
- 1-6-8 Cleaning section
- 1-6-9 Fixing section
- 1-7 Requirements on PCB Replacement
- 2-1 Electrical Parts Layout
- 2-2 Electrical parts layout
- 2-3 Operation of the PCBs
- 2-4 Appendixes

2AV/X
2-4-11
2-4
Maintenance parts list
Maintenance part name
Part No. Fig. No. Ref. No.
Name used in service manual Name used in parts list
Right registration roller RIGHT ROLLER, REGISTRATION 2AV06060 6 8
Left registration roller LEFT ROLLER, REGISTRATION 2AV06070 7 6
Upper paper feed pulley PULLEY, PAPER FEED 2AV06010 6 3
Lower paper feed pulley PULLEY, PAPER FEED 2AV06010 5 30
Bypass paper feed pulley PULLEY, PAPER FEED 2AV06320 6 44
Left registration cleaner assembly
PARTS, ASS’Y LEFT REGISTRATION CLEANER,SP
2AV93010 7 25
Right registration cleaner assembly
PARTS, ASS’Y RIGHT REGISTRATION CLEANER,SP
2AV93020 6 42
Left cover COVER, CONVEYING 2AV04120 7 2
Contact glass CONTACT GLASS 35912010 9 46
Slit glass CONTACT GLASS, ADF 2AV12250 9 19
Mirror 1 MIRROR A 2AV12150 9 9
Mirror 2 and mirror 3 MIRROR B 2AV12160 9 10
Exposure lamp LAMP, SCANNER 2AV12100 9 4
Original size detection sensor SENSOR, ORIGINAL DETECTION 35927290 9 53
Cleaning blade BLADE, CLEANING 2AV18030 11 6
Drum separation claw CLAW, SEPARATION 2AR18240 11 112
Drum shaft SHAFT, DRUM 2AR08030 11 23
Drum shaft front bushing FRONT BUSHING, DRUM SHAFT 2AR09230 11 32
Cleaning lower seal A LOWER SEAL A, CLEANING 2AR93410 11 94
Drum SET, DRUM 2AV82010 11 1
Charger assembly MAIN CHARGER ASS’Y A 2AR93420 11 12
Cleaning lamp LAMP, CLEANING LAMP 2AR27031 10 12
Transfer roller assembly PARTS, ASS’Y TRANSFER ROLLER, SP 2AV93030 7 26
Doctor blade cover COVER A DOCTOR BLADE ASS’Y 2AR68580 11 70
Heat roller ROLLER, HEAT 2AV20100 12 12
Press roller PARTS, ROLLER PRESSURE,SP 2AB93040 12 28
Bushing BUSHING, HEAT ROLLER 35920350 12 41
Bearing BEARING, PRESSURE 35920130 12 37
Fixing unit thermister THERMISTOR, FIXING 2AV20250 12 24
Heat roller separation claw CLAW, SEPARATION 35920150 12 39
Fixing heater HEATER 120, FIXING 2AV20130 12 13
Fixing heater HEATER 230, FIXING 2AV20140 12 13
Gear GEAR 35, HEAT ROLLER 35920240 12 40
Eject roller ROLLER, EJECT 2AV20150 12 14
Eject pulley PULLEY, EJECT 2AV20160 12 15
• Copier
• Optional drawer
Maintenance part name
Part No. Fig. No. Ref. No.
Name used in service manual Name used in parts list
Paper feed pulleys PULLEY, PAPER FEED 2AV06010 2 30
Conveying roller ROLLER,CONVEYING 3A506060 2 23










