COPYRIGHT© 2001 CANON INC.
2000 2000 2000 2000
CANON iR105 REV.0 JULY 2001
CHAPTER 6 TROUBLESHOOTING
6-135
4.1.80 The pre-exposure lamp fails to go ON
Pre-exposure lamp PCB
1) Select the following in service mode: COPIER>I/O>IP. Does the
state of bit 0 at address P016 change from ‘0’ to ‘1’ when the Start
key is pressed?
YES: Check the wiring from DC controller PCB to the pre-exposure
lamp PCB; if normal, replace the pre-exposure lamp.
DC controller PCB, Pre-exposure lamp PCB
2) Set the meter range to 300 VDC. Does the voltage between J504-A1
(+) on the DC controller PCB and GND change from 0 to 24 V
when the Start key is pressed?
NO:
Replace the DC controller PCB.
YES: Check the wiring from the DC controller PCB to the pre-exposure
lamp PCB; if normal, replace the pre-exposure lamp PCB.
4.1.81 The scanning lamp fails to go ON
Connector
1) Make the following selections in service mode:
COPIER>FUNCTION>MISC-R>SCANLAMP. Does the scanning
lamp remain ON for 3 sec when the OK key is pressed?
YES: The connector may have poor contact. Check the connector.
Lamp
2) Is the scanning lamp (LA1) mounted correctly?
NO:
Disconnect the power plug from the power outlet, and mount the
lamp correctly.
Relay PCB
3) Measure the voltage of J1001-1 on the inverter PCB. Is it 38 V?
NO:
Check the AC line up to the relay PCB; if normal, replace the relay
PCB.
Inverter PCB, Reader controller PCB
4) Measure the voltage of J1109-B11 on the reader controller PCB.
Does it change from 5 to 0 V when the control panel power switch is
tuned on?
YES: If the wiring is normal, replace the inverter PCB.
NO:
If the wiring is normal, replace the DC controller PCB.
Summary of Contents for iR105 Series
Page 547: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR105 REV 0 JULY 2001 APPENDIX ...
Page 561: ...Service Mode COPYRIGHT 2001 CANON INC 2000 CANON iR105 REV 0 JULY 2001 ...
Page 691: ...Error Code COPYRIGHT 2001 CANON INC 2000 CANON iR105 REV 0 JULY 2001 ...
Page 727: ......
Page 731: ......
Page 737: ......
Page 739: ......
Page 745: ......
Page 749: ......
Page 757: ......
Page 761: ......
Page 765: ......
Page 769: ......
Page 775: ......
Page 799: ......
Page 817: ......
Page 827: ......
Page 833: ......
Page 839: ......
Page 845: ......
Page 873: ......
Page 877: ......
Page 887: ......
Page 891: ......
Page 901: ......
Page 905: ......
Page 909: ......
Page 917: ......
Page 921: ......
Page 925: ......
Page 931: ......
Page 939: ......
Page 943: ......
Page 951: ......
Page 1002: ......
Page 1012: ...C 10 COPYRIGHT C 2001 CANON INC STANDARD FASTENERS REV 0 FEB 1992 ...
Page 1029: ...PRINTED IN U S A IMPRIME AU U S A This publication is printed on 100 recycled paper ...