Service Manual
Page 311
...• DC controller PCB Making Adjustments Before Starting the Work • Meter 1) Before replacing the DC controller PCB, turn VR106 on the DC controller PCB, and measure the voltage. + probe ........CP23 - CHAPTER 11 TROUBLESHOOTING 4. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)... then, connect the meter probes to CP23 and GND on the DC controller PCB so that the reading is the same as in step 1);
...• DC controller PCB Making Adjustments Before Starting the Work • Meter 1) Before replacing the DC controller PCB, turn VR106 on the DC controller PCB, and measure the voltage. + probe ........CP23 - CHAPTER 11 TROUBLESHOOTING 4. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)... then, connect the meter probes to CP23 and GND on the DC controller PCB so that the reading is the same as in step 1);
Service Manual
Page 336
...Set the meter range to 30 VDC, and connect the meter probes to Q751; See "DC power fails to turn on the DC controller PCB to J202-2 (+) and -1 (-) on ." End. Is the pre-registration roller paper sensor (Q751) normal? (For instructions on how to 30 VDC. CANON PC800s/900s... REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-71 Move the scanner by hand. Is the meter reading about 24 V for dirt, foreign matter, or object which may interfere. Cause Main...
...Set the meter range to 30 VDC, and connect the meter probes to Q751; See "DC power fails to turn on the DC controller PCB to J202-2 (+) and -1 (-) on ." End. Is the pre-registration roller paper sensor (Q751) normal? (For instructions on how to 30 VDC. CANON PC800s/900s... REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-71 Move the scanner by hand. Is the meter reading about 24 V for dirt, foreign matter, or object which may interfere. Cause Main...
Service Manual
Page 337
...;. YES End. CHAPTER 11 TROUBLESHOOTING 21 The blanking lamp fails to turn on the harness side. Set the meter range to 1 kΩ, and connect the meter probes to the lamp; Is the meter reading about 20 Ω? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Is the problem corrected? Does the...
...;. YES End. CHAPTER 11 TROUBLESHOOTING 21 The blanking lamp fails to turn on the harness side. Set the meter range to 1 kΩ, and connect the meter probes to the lamp; Is the meter reading about 20 Ω? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Is the problem corrected? Does the...
Service Manual
Page 338
... Step 1 2 Checks Is 'E0' indicated? YES/NO YES YES Action See the descriptions under "E0." NO Replace the composite power supply PCB. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-73 YES/NO NO NO NO Action Check the wiring from J109 on...heater fails to turn on." as necessary, clean the cable and adjust its tension. COPYRIGHT © 1999 CANON INC. if normal, replace SL3. Is the problem corrected? Is the problem corrected? Is the meter reading about 24 V? 4 Replace the scanner/lens drive motor (M2). End. CHAPTER 11 TROUBLESHOOTING 23 The ...
... Step 1 2 Checks Is 'E0' indicated? YES/NO YES YES Action See the descriptions under "E0." NO Replace the composite power supply PCB. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-73 YES/NO NO NO NO Action Check the wiring from J109 on...heater fails to turn on." as necessary, clean the cable and adjust its tension. COPYRIGHT © 1999 CANON INC. if normal, replace SL3. Is the problem corrected? Is the problem corrected? Is the meter reading about 24 V? 4 Replace the scanner/lens drive motor (M2). End. CHAPTER 11 TROUBLESHOOTING 23 The ...
Service Manual
Page 339
... in question. Replace the DC controller PCB. 11-74 11-74 COPYRIGHT © 1999 CANON INC. Is the problem corrected? CHAPTER 11 TROUBLESHOOTING 25 The "Add Paper" message fails to turn off . Is the meter reading about 24 V? NO Check the wiring from the DC controller PCB to PS4; Are the...NO Replace the DC controller PCB. 26 The "Jam" message fails to turn off . CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Set the meter range to 30 VDC, and connect the meter probes to check the photointerrupters, see p. 11-47.) YES/NO YES NO YES Action Remove...
... in question. Replace the DC controller PCB. 11-74 11-74 COPYRIGHT © 1999 CANON INC. Is the problem corrected? CHAPTER 11 TROUBLESHOOTING 25 The "Add Paper" message fails to turn off . Is the meter reading about 24 V? NO Check the wiring from the DC controller PCB to PS4; Are the...NO Replace the DC controller PCB. 26 The "Jam" message fails to turn off . CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Set the meter range to 30 VDC, and connect the meter probes to check the photointerrupters, see p. 11-47.) YES/NO YES NO YES Action Remove...