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
1-1-1
2AV/X
CONTENTS
1-1 Specifications
1-1-1 Specifications ....................................................................................................................................... 1-1-1
1-1-2 Parts names and their functions ........................................................................................................... 1-1-5
(1) Copier ............................................................................................................................................. 1-1-5
(2) Operation panel .............................................................................................................................. 1-1-6
1-1-3 Machine cross section .......................................................................................................................... 1-1-8
1-1-4 Drive system ........................................................................................................................................ 1-1-9
(1) Drive system 1 (optical section) ...................................................................................................... 1-1-9
(2) Drive system 2 (drive motor drive train) ........................................................................................ 1-1-10
1-2 Handling Precautions
1-2-1 Drum .................................................................................................................................................... 1-2-1
1-2-2 Developer and toner ............................................................................................................................. 1-2-1
1-2-3 Installation environment ....................................................................................................................... 1-2-1
1-3 Installation
1-3-1 Unpacking and installation ................................................................................................................... 1-3-1
(1) Installation procedure ..................................................................................................................... 1-3-1
1-3-2 Setting initial copy modes .................................................................................................................. 1-3-13
1-3-3 Copier management ........................................................................................................................... 1-3-14
(1) Using the copier management mode (15 cpm copier) .................................................................. 1-3-14
(2) Setting department management items ........................................................................................ 1-3-15
(3) Copy default ................................................................................................................................. 1-3-15
(4) Using the copier management mode (20 cpm copier) .................................................................. 1-3-18
(5) Setting department management items ........................................................................................ 1-3-19
(6) Copy default ................................................................................................................................. 1-3-19
(7) Machine default ............................................................................................................................ 1-3-20
(8) Language ...................................................................................................................................... 1-3-21
1-3-4 Installing the key counter (option) ...................................................................................................... 1-3-22
1-3-5 Installing the original size detection sensor
(option for the metric specifications of the 15 cpm copier only) .......................................................... 1-3-24
1-3-6 Installing the drawer heater (option) ................................................................................................... 1-3-25
1-4 Maintenance Mode
1-4-1 Maintenance mode ............................................................................................................................... 1-4-1
(1) Executing a maintenance item ....................................................................................................... 1-4-1
(2) Maintenance mode item list (for 20 cpm copier) ............................................................................. 1-4-2
(3) Contents of maintenance mode items (for 20 cpm copier) ............................................................. 1-4-5
(4) Maintenance mode item list (for 15 cpm copier) ........................................................................... 1-4-53
(5) Contents of maintenance mode items (for 15 cpm copier) ........................................................... 1-4-56
1-5 Troubleshooting
1-5-1 Paper misfeed detection ...................................................................................................................... 1-5-1
(1) Paper misfeed indication ................................................................................................................ 1-5-1
(2) Paper misfeed detection conditions ................................................................................................ 1-5-3
(3) Paper misfeeds ............................................................................................................................... 1-5-8
1-5-2 Self-diagnosis ..................................................................................................................................... 1-5-12
(1) Self-diagnostic function ................................................................................................................ 1-5-12
(2) Self-diagnostic codes ................................................................................................................... 1-5-12
1-5-3 Image formation problems ................................................................................................................. 1-5-17
(1) No image appears (entirely white). ............................................................................................... 1-5-18
(2) No image appears (entirely black). ............................................................................................... 1-5-18
(3) Image is too light. ......................................................................................................................... 1-5-19
(4) Background is visible. ................................................................................................................... 1-5-19
(5) A white line appears longitudinally. .............................................................................................. 1-5-19