Service manual

1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)

CHAPTER 13 TROUBLESHOOTING

13-3

2. Image leading edge margin adjustment

Adjustment when the leading edge of the printed image is out of alignment.

a) Use a precision screwdriver to press down on SW401 and output a test print.

b) Turn VR401 and adjust the leading edge margin of the test print to 4.0 ± 2.0mm.

Figure 13-102

3. Attaching the scanner wire

Attach the wire, following steps 1 to 9. Then perform the mirror positioning adjust-

ment described on the next page.

Figure 13-103

Precision screwdriver (3mm)

VR401

SW401

4.0 ± 2.0mm

Pulley clip

[1]

[2]

[3]

[4]

[5]

[6]

Put the steel

ball into the

pulley hole.

Wrap the wire

2 times to the

inner side and

7 times to the

outer side.

Then, attach

the pulley clip.

Attach the mirror

positioning plate.

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