Canon NP6621 Service Handbook page 14

B. Points to Note for Servicing Work
Copyboard, Scanner
Item Tool/Solvent
Copyboard glass Alcohol Cleaning
Scanning lamp Lint-free paper Dry wiping
If excessive, dry wiping
Reflecting plate Blower brush
with lint-free paper
No. 1 though
6 mirrors
Fixing/Delivery assembly
Item Tool/Solvent
Separation claws
MEK Cleaning
Cleaning oil Cleaning
Upper fixing
roller,lower (TKN-0464 )
fixing roller
Paper guide plate MEK
Cleaning
1–6
Work/Remarks
Work/Remarks
MAINTENANCE AND INSPECTION
Optical path
Item
Lens
Dust-proofing
glass
Duplexing unit
Item
Re-pick up roller
Set-back roller
Feeding assembly, Static eliminator
Item
Transfer guide
Static eliminator
Feeding belt,
Feeding assembly
mount, Transfer
charging assembly,
Rail
Note:
Make sure no droplets of water remain; if any,
do not turn on the power.
Tool/Solvent Work/Remarks
Cleaning
Blower brush
Blower brush Cleaning
Tool/Solvent Work/Remarks
Alcohol Cleaning
Alcohol Cleaning
Tool/Solvent Work/Remarks
Moist cloth (Note)
Cleaning
Special brush Cleaning
Cleaning
Moist cloth (Note)