Points To Note For Scheduled Servicing - Canon NP6251 Service Manual

B. Points to Note for Scheduled Servicing
Caution:
• Make thorough checks of the block (front, rear) for melting by leakage, deformation by heat, tears, and
yellowing. If any fault is found, replace it.
• Be sure to check and clean the inner side as well as the outer side of the block (front, rear).
• Do NOT use a cloth coated with metal powder for cleaning.
• Do NOT use a moist cloth for cleaning. Use lint-free paper, and clean. (Be sure that the part is fully dry
before putting it back into the machine.
• Try to finish all work (scheduled servicing/maintenance) within a specific period of time.
Parts Tools/chemicals
Copyboard glass Alcohol Cleaning
Lens Blower brush Cleaning
Heat absorbing glass Lint-free paper Dry wiping
Standard white plate Lint-free paper Dry wiping
Reflecting plate Blower brush Cleaning
Cleaning with blower brush; if
No. 1 through No. 3 Blower brush or lint-
necessary, lint-free paper
mirrors free paper
Parts Tools/chemicals
Solvent and lint-free
Separation claw Cleaning
paper
Upper roller, Cleaning oil, lint-free
Cleaning
lower roller paper
Paper guide Solvent, lint-free paper Cleaning
Feeding assembly Moist cloth (Note) Cleaning
Re-pick up assembly,
Alcohol, lint-free paper Cleaning
refreshing roller
Re-pick up assembly,
Alcohol, lint-free paper Cleaning
pick-up roller,
registration roller
11-4
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Parts Tools/chemicals
Pre-exposure lamp Cleaning
Anti-stray toner
Cleaning
(primary charging
assembly)
Primary charging
Alcohol, lint-free Dry wiping; then, using lint-
assembly,
paper free paper moistened with
transfer/separation
alcohol
charging assembly, pre-
transfer charging assembly
Dust-proofing glass Lint-free paper
Cleaning
Blanking exposure lamp Cleaning
Anti-stray toner
Cleaning
sheet (developing
assembly)
Cleaning with blower brush; if
No. 4 through No. 6 Blower brush or lint-
mirrors free paper necessary, using lint-free
paper. For No. 5 mirror, use
mirror cleaning tool
Dispose of toner collecting on
Roller electrode
roller electrode
Developing Moist cloth (Note) Cleaning
assembly mount
Alcohol, lint-free
Registration roller Cleaning
paper
Note: Make sure no droplets of water remain.
Parts Tools/chemicals
Multifeeder tray, Alcohol, lint-free
Cleaning
pick-up roller, paper
feeding roller
Alcohol, lint-free
Vertical path roller Cleaning
paper
COPYRIGHT © 1997 CANON INC. CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
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