Canon GP160DF Service Manual page 355

Remarks:
When the test print switch (SW401) on the sensor PCB is pressed, the print patterns
shown below are output.
By outputting these test prints, you can conduct a print check with the scanning
assembly Operation panel assembly installed.
Precision screwdriver
Figure 13-518
COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
Print pattern
Figure 13-519
13-121