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CHAPTER 13 TROUBLESHOOTING
13-58
COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
The copier's photointerrupters may be checked using either its service mode or a conventional
meter or the machine's service mode.
a. Using a Meter
1) Set the meter range to 30 VDC.
2) Connect the - probe of the meter to GND of the DC controller PCB.
3) Connect the + probe of the meter to the terminals indicated (DC controller PCB).
4) Make checks as indicated.
b. Using Service Mode
1) Select COPIER>I/O in service mode, and check the appropriate addresses:
Caution:
Take care. Turning on/off a sensor can start a motor or the like.
10 Checking the Photointerrupters