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
1-3-21
1-3
APS for special paper
Sets whether to use the paper source with the
special paper for auto paper selection and auto
drawer switching.
1. Select “APS for special paper” and press the
enter key.
2. Select “On” or “Off” and press the enter key.
Paper type (1st to 4th)
Selects the type of paper to be loaded in the
drawers.
1. Select “Paper type (1st to 4th)” and press the
enter key.
2. Select the paper type and press the enter key.
Paper type: Plain/Recycled/Letterhead/Color
Note: “3rd” and “4th” are displayed only when
the optional drawer is installed.
Paper type (bypass)
Selects the type of paper to be loaded in the
bypass tray.
1. Select “Paper type (bypass)” and press the
enter key.
2. Select the paper type and press the enter key.
Paper type: Plain/Transparency/Labels/Recycl-
ed/Rough/Letterhead/Color/Envelope/Card-
stock
Copy eject location setting
Selects whether to eject copies to the internal eject
tray, finisher or job separator.
1. Select “Select copy eject mode” (“SELECT
EJECTOR OF COPY”) and press the enter
key.
2. Select the eject location and press the enter
key.
Copy eject location: Copier/Finisher/Job sepa-
rator
Note: This setting item will not be displayed if
neither the optional finisher nor job separator
is installed.
Auto preheat time
Sets the auto preheat time.
1. Select “Auto preheat time” and press the enter
key.
2. Select the setting and press the enter key.
Setting range: 5 to 45 minutes (in 5-minute
increments)
Note: Set the auto preheat time to be shorter
than the auto shutoff time.
Auto shutoff time
Sets the auto shutoff time.
1. Select “Auto shut-off time” and press the enter
key.
2. Select the setting and press the enter key.
Setting range: 15 to 240 minutes (in 15-minute
increments)
Display contrast adjustment
Adjusts the contrast of the LCD.
1. Select “Display contrast adjustment” (“DIS-
PLAY CONTRAST ADJUST.”) and press the
enter key.
2. Enter the setting and press the enter key.
Setting range: 1 to 7
Management code change
Changes the management code.
1. Select “Management code change” and press
the enter key.
2. Enter the 4-digit management code using the
numeric keys and press the enter key.
Silent mode
Selects whether or not to enter silent mode after
copying.
1. Select “Silent Mode” and press the enter key.
2. Select “On” or “Off” and press the enter key.
Auto drawer switching
Sets whether the auto drawer switching function is
available.
1. Select “Automatic drawer switching” and press
the enter key.
2. Select “On” or “Off” and press the enter key.
Counter report
Prints the report on the toner consumption ratio.
1. Select “Counter report” and press the enter
key.
If A4/11" × 8
1
/
2
" paper is present, the list is
automatically printed out. Otherwise, select
the paper source and press the start key.
(8) Language
Switches the language to be displayed on the
touch screen.
1. Select “Language” and press the enter key.
2. Select the display language and press the
enter key.