Canon IR2200, IR3300, IR2800 manual Regist, 20 T

CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS

3.15The copy has a displaced leading edge.

3.16The copy has a displaced leading edge (large margin).

3.17The 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.

4-20 T COPYRIGHT © 2001 CANON INC. CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001