Main Units/Parts
Removing the Right Cover Unit
1) Remove the reader right cover.(
"Removing the Reader Right Cover.".)
2) Remove the reader rear cover.(
"Removing the Reader Rear Cover.".)
4) Open the right cover.
5) Remove the link between the right cover and pickup unit.
6) Remove the belt.
2 screws
7) Remove the connection cable.
2 connectors (The machine without the No.2 delivery unit does not have the upper connector.)
CAUTION:
Be sure to disconnect the upper connector after releasing the harness from the clamp to prevent breaking of wire
8) Remove one screw.
9)Remove two screws.
10)Remove the right cover.
MEMO:
If the right cover is removed with it open widely, it touches the reader right cover. Open the right cover to the angle shown below, and then remove it so that it does not touch the reader right cover.
Removing the Pickup Unit
1) Draw out the cassette.
2) Open the right cover.
3) Remove the connector cover.
4) Remove the lower rear cover.(
"Removing the Lower Rear Cover.")
6) Remove the connection cable.
1 connector
7) Remove the link between the right cover and pickup unit.
8) Remove the pickup unit.
4 screws (RS tightening; M3)
Removing the Laser Scanner Unit
1) Remove the inside base cover.(
"Removing the Inside Base Cover.")
2) Remove the left cover.(
"Removing the Left Cover.")
3) Remove the scanner retaining plate.
1 screw
4) Remove the laser scanner unit.
2 pieces of sponge
4 connectors
CAUTION:
When pulling out the laser scanner, take care not to touch the PCB installed on the laser scanner unit. (The PCB is equipped with a laser intensity adjusting volume resistor and so touching the PCB can change the adjustment setting.)
Action to Take after Replacing the Laser Scanner Unit
When replacing the laser unit, enter the values recorded on the label affixed to the laser unit to be replaced for the following in the service mode:
PRINT > Bitswitch > 136 Laser horizontal scanning direction write position adjustment(A)
PRINT > Bitswitch > 145 Laser horizontal scanning direction magnification ratio adjustment(A-B)
PRINT > Bitswitch > 146 Laser horizontal scanning direction magnification ratio adjustment(A-C)
PRINT > Bitswitch > 147 Laser horizontal scanning direction magnification ratio adjustment(A-D)
PRINT > Bitswitch > 148 Laser horizontal scanning direction write position adjustment(A-B)
PRINT > Bitswitch > 149 Laser horizontal scanning direction write position adjustment(A-C)
PRINT > Bitswitch > 150 Laser horizontal scanning direction write position adjustment(A-D)
Removing the Toner Supply Unit
1) Remove the inside base cover.(
"Removing the Inside Base Cover.")
3) Remove the waste toner container.(
"Removing the Waste Toner Container.")
4) Remove the drum unit.(
"Removing the Drum Unit.")
5)Remove the toner bottle.
6) Remove the toner supply cover.(
"Removing the Toner Supply Cover.")
7) Remove the delivery tray.(
"Removing the Delivery Tray.")
8) Remove the laser scanner unit.(
"Removing the Laser Scanner Unit.")
9) Remove the toner supply unit.
Remove the power cable.
2 connectors
Action to Take after Replacement
MEMO:
The service parts for toner supply unit do not come with a bottle ring. Remove the bottle ring from the old toner supply unit and attach it to the new one.
The procedure is as follows:
1) Remove the toner bottle set lever.
1 parallel pin
2) Remove the bottle base.
1 screw
1 claw
3)Remove the bottle ring.
1) When replacing with a new CCD unit, enter the following service mode to output a service data list.
REPORT> REPORT OUTPUT> SERVICE DATA LIST
2) Open the platen cover (ADF/platen board cover).
3) Remove the reader right cover.(
"Removing the Reader Right Cover.".)
4) Remove the right glass retainer.
5) Remove the platen glass.(
"Removing the Platen Glass.".)
6Move the belt in the direction of the arrow and move the CCD unit to the position of the groove in the frame.
7) Remove the shaft retaining blade.
1 screw
8) Remove the shaft.
9) Loosen the screw, and then loosen the belt.
10)Remove the belt from the hook at the back of the CCD unit.
CAUTION:
Do not touch the LED on the CCD unit.
11)Remove the CCD unit.
Cable retainer
CCD flexible cable
Core
Action to Take after Replacing the CCD Unit
Perform the following procedure after replacing the CCD unit:
1) Install the new CCD unit.
2) Turn on the power to cause the error “E248”.
3) Enter the service mode and perform the following:
SCAN > READER > FUNCTION > CLEAR > R-CON (RCON RAM clearing)
4) Turn OFF and then ON the main power switch.
5) Enter the following items according to the service data list output in advance.
SCAN> READER> ADJUST> ADJ-XY>
|
ADJ-X
|
ADJ-Y
|
ADJ-S
|
ADJ-Y-DF
|
ADJ-X-MG
|
SCAN> READER> ADJUST> PASCAL> OFST-P-K
|
SCAN> READER> ADJUST> CCD>
|
50_RG
|
50_GB
|
100_RG
|
100_GB
|
50DF_RG
|
50DF_GB
|
100DF_RG
|
100DF_GB
|
W-PLT-X
|
W-PLT-Y
|
W-PLT-Z
|
SCAN> FEEDER> ADJUST>
|
DOCST
|
LA-SPEED
|
SCAN> READER> OPTION> BODY>
|
SENS-CNF
|
MODELSZ2
|
KSIZE-SW
|
6) Perform the following in the service mode:
SCAN > READER > FUNCTION > CCD > DF-WLVL1/2/3/4 (DF white level adjustment)
6-1) Place a sheet of paper that the user usually uses on the platen glass, enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DFWLVL1.
Read the white level in the BOOK mode. (Check the transparency of the glass for BOOK mode.)
6-2) Place a sheet of paper that the user usually uses on the DF, enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DF-WLVL2.
Read the white level in the DF mode (stream reading). (Check the transparency of the glass for stream reading.)(Read both sides of the chart.)
6-3) Place a sheet of paper that the user usually uses on the platen glass, enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DFWLVL3.
Read the white level in the BOOK mode. (Check the transparency of the glass for BOOK mode.)
6-4) Place a sheet of paper that the user usually uses on the DF, enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DF-WLVL4.
Read the white level in the DF mode (stream reading). (Check the transparency of the glass for stream reading.)(Read both sides of the chart.)
7) Enter the service mode, and then select the following:
SCAN > READER > FUNCTION > INSTALL > STRD-POS CCD (stream reading position adjustment).
8) Enter the values recorded on the label affixed to the CCD unit in the following service mode. (Two items below)
SCAN > READER > ADJUST > CCD > MTF3-M1/M2/M3/M4/M5/M6/M7/M8/M9
Next, finalize the setting in the following mode:
SCAN > READER > ADJUST > CCD > CCD-CHNG
9) Transcribe the above correction values on the service label at the inside of the rear cover (right).
Removing the Platen Glass
1) Open the platen cover (platen board cover/ADF).
2) Remove the glass retainer.(
"Removing the Platen Glass.".)
2 screws
CAUTION:
When removing the platen glass, take care not to touch the following parts with your fingers:
Glass surface
Standard white plate
Soils on these parts may cause white/black lines on images.
If they are soiled, clean them with a lint-free paper moistened with alcohol.
Action to Take after Replacing the Platen Glass
Take the action stated below in the service mode.
CAUTION:
Be sure to make the white plate data adjustment before ADF white level adjustment.
1.Enter the value indicated on the platen glass in the following service mode:
SCAN > READER > ADJUST > CCD > W-PLT-X/Y/Z (Input of standard white plate data)
2.Enter the service mode, and then select the following:
SCAN > READER > FUNCTION > CCD > DF-WLVL1/2/3/4 (DF white level adjustment)
1) Place a sheet of paper that the user usually uses on the platen glass, enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DFWLVL1.
Read the white level in the BOOK mode. (Check the transparency of the glass for BOOK mode.)
2) Place a sheet of paper that the user usually uses on the DF, enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DF-WLVL2.
Read the white level in the DF mode (stream reading). (Check the transparency of the glass for stream reading.)(Read both sides of the chart.)
3) Place a sheet of paper that the user usually uses on the platen glass, enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DFWLVL3.
Read the white level in the BOOK mode. (Check the transparency of the glass for BOOK mode.)
4) Place a sheet of paper that the user usually uses on the DF, enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DF-WLVL4.
Read the white level in the DF mode (stream reading). (Check the transparency of the glass for stream reading.)(Read both sides of the chart.)
Removing the ADF Scan Glass
1) Open the platen cover (platen board cover/ADF).
2) Remove the glass retainer.
2 screws
3) Remove the ADF scan glass.
CAUTION:
When removing the ADF scan glass, take care not to touch the glass surface with your fingers.
Soils on the glass surface may cause white/black lines on images.
If the glass surface is soiled, clean them with a lint-free paper moistened with alcohol.
Be sure to install the ADF scan glass with its seat facing front left.
Action to Take after Replacing the ADF Scan Glass
1.Enter the service mode, and then select the following:
SCAN > READER > FUNCTION > CCD > DF-WLVL1/2/3/4 (DF white level adjustment)
1) Place a sheet of paper that the user usually uses on the platen glass, enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DFWLVL1.
Read the white level in the BOOK mode. (Check the transparency of the glass for BOOK mode.)
2) Place a sheet of paper that the user usually uses on the DF, enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DF-WLVL2.
Read the white level in the DF mode (stream reading). (Check the transparency of the glass for stream reading.)(Read both sides of the chart.)
3) Place a sheet of paper that the user usually uses on the platen glass, enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DFWLVL3.
Read the white level in the BOOK mode. (Check the transparency of the glass for BOOK mode.)
4) Place a sheet of paper that the user usually uses on the DF, enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DF-WLVL4.
Read the white level in the DF mode (stream reading). (Check the transparency of the glass for stream reading.)(Read both sides of the chart.)