Checking The Photointerrupters - Canon ImageRunner 600 Service Manual

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CHAPTER 13 TROUBLESHOOTING

Checking the Photointerrupters

The copier's photointerrupters may be checked using either its service mode or a conventional

meter or the machine's service mode.

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.

Using Service Mode

1) Select COPIER>I/O in service mode, and check the appropriate addresses:

Take care. Turning on/off a sensor can start a motor or the like.

CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.

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