Canon PC960 Spezifikationen Seite 311

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CHAPTER 11 TROUBLESHOOTING
COPYRIGHT
©
1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
11-46
4. Adjusting the Reproduction Ratio (fine adjustment)
Adjust the reproduction ratio if you have replaced the following:
DC controller PCB
Making Adjustments
Before Starting the Work
Meter
1) Before replacing the DC controller PCB, turn on the power; then, connect the meter probes to
CP23 and GND on the DC controller PCB, and measure the voltage.
+ probe ........CP23
- probe .........GND
Figure 11-270
2) After replacing the DC controller PCB, measure the voltage as in step 1); then, turn VR106 on
the DC controller PCB so that the reading is the same as before replacement.
VR106
CP23
GND
VR106
VR107
VR104
VR105
CPGND1
CP23
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