Lexmark Jetprinter 4079-00 series, Service Manual

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Repair Information 4-1
4079-00X
4. Repair Information
This chapter contains adjustments and removal procedures. When-
ever parts are replaced, make sure that all adjustments are correct
by running diagnostics procedures and checking adjustments as
needed.
Lubrication Requirements
Use Grease (part 1321875) on the following parts as needed:
•
All shaft holders
•
The shaft hole of eject roller, pickup roller, and paperfeed roller
on the right frame.
•
The gears on the right frame.
•
The clutch spring of pickup roller unit.
•
The clutch cam of pickup roller unit.
•
The worm gear of purge motor.
•
The contact part of pinch roller base.
•
The carriage shaft.
Do not over-grease the parts, but make sure new parts have ade-
quate lubrication.
Handling ESD-Sensitive Parts
Many electronic products use parts that are known to be sensitive to
electrostatic discharge (ESD). To prevent damage to ESD-sensitive
parts, follow the instructions below in addition to all the usual pre-
cautions, such as turning off power before removing logic boards:
•
Keep the ESD-sensitive part in its original shipping container (a
special “ESD bag”) until you are ready to install the part into the
machine.
•
Make the least-possible movements with your body to prevent
an increase of static electricity from clothing fibers, carpets, and
furniture.