Chapter 1 Service Call Procedure
1.3 TRIM Servicing
1-7
1.3.3 TRIM Check List
A --- Perform checking. Clean, replace, or supply if necessary.
B --- Always perform cleaning and checking.
C --- Always perform replacement service at the specified interval.
* Refer to pages 3-13 on how to print test patterns.
CAUTION
Do not touch the Drum/toner cartridge directly with your hands.
Do not use solvents such as Drum cleaner. (Time is required for recovery.)
No. Servicing Items
Every
time
100K
Disassembly/
Adjustment
No.
Service Details
1.1
Pre-servicing check (check the sound of
the machine in operation)
A
Activate the machine and check that abnormal noise is not heard.
1.2 Pre-servicing check A Make print and check the print quality. Check the Drum/toner cartridge for damage.
2
Clean the interior of the machine (paper
delivery system) Retard Roll A C
Clean the paper dust and toner residue in the paper path and on the jam sensor.
Clean especially the operation section of the operator.
Check and clean the feed roll of the MSI.
3.1 FUSER ASSY CL CH B C REP7.3 Check the H.Roll and P.Roll for scratches. Replace FUSER ASSY CL CH if necessary.
3.2 Drum/toner cartridge B 10K Check visually. Do not make direct contact.
4
Safety Precautions
B
Make sure that the power plug is plugged in properly.
Make sure that the power cords are not cracked and no wires are exposed.
Make sure that no extension cord with insufficient capacity or power cord outside the specification for off-the-shelf power strips
is used.
Make sure that no multiple power plugs are added to a single socket.
5.1 Post-servicing check (print quality) A Print built-in test patterns to confirm that the print quality satisfies the specification.
5.2
Post-servicing check (machine in
operation)
A
Check the paper feed and check for abnormal noise.
5.3 Post-servicing check (meter) A Check the paper counters.
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