Service Checkpoints - Canon LBP 2460 - B/W Laser Printer Service Manual

CHAPTER 4
D. Service Checkpoints
1. Printer
a. Cartridge
• Photosensitive drum
As a rule, do not touch or clean the drum.
When cleaning is unavoidable, never use
solvents. Do not expose to light. For details,
see Chapter 3.
b. Manual feeding pick-up roller,
cassette pick-up roller, separation
roller, and feed roller
Clean with lint-free paper, either dry or
moistened with ethyl/isopropyl alcohol.
Replace if badly worn.
c. Separation pad
Clean with lint-free paper.
d. Registration roller unit
Clean with lint-free paper. If badly
contaminated, use it with ethyl/isopropyl
alcohol for rubber parts and MEK(methyl
ethyl ketone) for other parts. Avoid skew or
paper jams caused by removal of the
springs.
e. Transfer guide unit
Clean with soft, dry flannel cloth.
f. Transfer charging roller
Clean only when badly contaminated.
Never use water or solvent. Do not touch
the roller or allow any solvent or oil to
deposit on the surface. For details, see
Chapter 3.
g. Static charge eliminator
Clean with brush.
h. Feed guide unit
Clean with lint-free paper.
i. Fixing unit
• Fixing entry guide
Clean with lint-free paper moistened with
MEK.
• Fixing separation guide
Clean lightly with lint-free paper moistened
with MEK, only to remove the toner
deposit.
• Fixing separation claw
4 - 2
Clean lightly with lint-free paper moistened
with MEK, only to remove the toner
deposit.