After Replacing The Scanner - Canon imageRUNNER ADVANCE C3325 Series Service Manual

4
Disassembly/Assembly■>■Original■Exposure■System■>■Removing■the■Reader■Scanner■Unit■>■After■Replacing■the■Scanner■Unit
CAUTION:
When■installing■the■Reader■Scanner■Unit,■be■sure■to■insert■the■4■protrusions■[2]■of■the■
Flat■Cable■Protection■Sheet■[1]■into■the■guide■[A].
4x
[1]
[2]
NOTE:
Installation■Procedure
When■installing■the■belt■to■the■Reader■Scanner■Unit,■it■can■be■installed■easily■by■
removing■the■belt■from■pulley.
4 Disassembly/Assembly■>■Original■Exposure■System■>■Removing■the■Reader■Scanner■Unit■>■After■Replacing■the■Scanner■Unit
[2]
[A]
[2]
[2]
[A]
F-4-77
F-4-78
■ After■Replacing■the■Scanner■Unit ■
The■following■procedure■can■also■be■performed■in■[Service■Mode■>■SITUATION■>■Parts■
Replacement■>■Adjustment■during■Scanner■unit■replacement■].
1)■Input■the■white■level■data■(barcode■value■in■the■copyboard■glass■right■upper)■of■the■
standard■white■plate.
Lv. COPIER■>■ADJUST■>■CCD■>
1 100-RG
2)■Adjust■the■shading■position.
Lv. COPIER■>■FUNCTION■>■INSTALL■>
1 RDSHDPOS
3)■Adjust■the■stream■reading■position.
Lv. COPIER■>■FUNCTION■>■INSTALL■>
1 STRD-POS
4)■Perform■white■level■adjustment.:
4-1)■Set■A3■or■LDR■paper■in■the■copyboard■glass.
CAUTION:
If■white■level■is■adjusted■in■the■small■width■paper,■there■is■possibility■that■it■will■not■
adjust.
4-2)■Execute■white■level■adjustment■at■copyboard■reading.
Lv. COPIER■>■FUNCTION■>■CCD■>
1 DF-WLVL1
4-3)■Remove■the■paper■from■copyboard■glass,■set■it■in■the■DADF■document■pickup■tray.
4-4)■Execute■white■level■adjustment■at■DADF■reading.
Lv. COPIER■>■FUNCTION■>■CCD■>
1 DF-WLVL2
5)■Perform■the■MTF■filter■coefficient■computation.
Lv. COPIER■>■FUNCTION■>■CCD■>
1 MTF-CLC
6)■Write■down■the■values■in■the■service■label■(on■the■back■of■the■Reader■Front■Cover).
Lv. COPIER■>■ADJUST■>■CCD■>
1 DFTAR-R DFTAR-G
4-44
100-GB
DFTAR-B 100-RG 100-GB
4-44