CHAPTER 11 TROUBLESHOOTING
3. Adjusting the Position of the Blanking Exposure Lamp
1) Place the Test Sheet on the copyboard.
2) Select A4 copy paper.
3) Make a copy, and check that the left/right registration is correct.
4) Make a copy in Direct.
5) Check the image, and measure the non-image width shown in Figure 11-221.
Standard
6) If the non-image width is not as specified, turn the adjusting screw to adjust the
position of the blanking exposure lamp assembly.
11-20
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Paper
Left/right non-image width (W1)
All sizes
(w/ standard frame erasing)
Table 11-202
A
A
Figure 11-221
Adjusting screw
Figure 11-222
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
2.75 ± 2.5mm
(rear)
10 mm
10 mm