CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
4-20
3.15 The copy has a displaced leading edge.
3.16 The copy has a displaced leading edge (large margin).
3.17 The copy has a displaced margin (no margin).
1) Is an ADF used?
YES: Correct the displacement by referring to the Service Manual of the
ADF.
Original
2) Is the original placed correctly?
NO:
Place the original correctly.
Pickup roller, Feeding roller, Separation roller
3) Has the pickup, feeding, or separation roller of the cassette in question
reached the end of its life?
YES: Check the roller; if worn, replace it.
REGIST
4) Execute the following in service mode: ADJUST>FEED-
ADJ>REGIST. Is the problem corrected? (Note 1)
YES: End.
Registration roller, Pickup/Feeding guide
5) Does the problem occur only in double-sided mode?
YES: Check the rollers of the duplex feeding assembly.
NO:
Check and clean the following:
•
Registration rollers
•
Pickup/feeding guide
Note 1:
Making Adjustments
•
Generate a PG test pattern ( [6] ; solid bal).
•
Make adjustments so that the leading edge margin is 2.5 ± 1.5 mm. A higher setting
will decrease the margin.
