Canon PC430 Service Manual - Page 171

Pick-up fails., The scanning lamp fails to go ON., See Pick-Up Assembly

Get Canon PC430 - PC 430 B/W PDF manuals and user guides
UPC - 030275150322
View all Canon PC430 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 171 highlights

CHAPTER 10 TROUBLESHOOTING 7. Pick-up fails. Cause Main motor (M1) Step Checks 1 Move the copyboard to the left until it stops, and open the top cover. Does the pick-up roller rotate when the door switch is turned ON and the Copy Start key is pressed at the correct pick-up timing? 2 Is the main motor rotating? Pick-up sensor (Q131) Pick-up solenoid (SL1; PC420/430/FC220), Registration solenoid (SL1; PC400/FC200) DC controller/ DC power supply PCB 3 Does the copier operate normally when the pick-up sensor (Q131) is blocked with paper? 4 Set the meter to the '30VDC' range. Does the voltage between J201-6 (+) and J201-7 (-) on the DC controller/DC power supply PCB change to about 24 V at pick-up timing? YES/NO Remedies YES See "Pick-Up Assembly" in "Troubleshooting Feeding Faults." NO YES See "The main motor fails to rotate." Check the sensor lever. YES NO Check the spring clutch in the registration assembly and pick-up assembly; if normal, replace the solenoid. Check the wiring from the solenoid to the DC controller/DC power supply PCB; if normal, replace the DC controller/DC power supply PCB. 8. The scanning lamp fails to go ON. Cause Scanning lamp (LA1-LA8) Scanning lamp (LA1-LA8) DC controller/DC power supply PCB Connector Step Checks 1 Is the scanning lamp unit attached correctly? 2 Is the scanning lamp black? 3 Is the connector of the scanning lamp connected firmly? YES/NO Remedies NO Re-attach the lamp unit. YES YES NO Replace the scanning lamp unit. Replace the DC controller/ DC power supply PCB. Re-connect the connector. COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-27

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
COPYRIGHT © 1998 CANON INC.
CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10 TROUBLESHOOTING
10-27
7.
Pick-up fails.
8.
The scanning lamp fails to go ON.
Cause
Step
Checks
YES/NO
Remedies
1
Move the copyboard to the left
until it stops, and open the top
cover.
Does the pick-up roller
rotate when the door switch is
turned ON and the Copy Start
key is pressed at the correct
pick-up timing?
YES
See “Pick-Up Assembly” in
“Troubleshooting Feeding
Faults.”
Main motor (M1)
2
Is the main motor rotating?
NO
See “The main motor fails
to rotate.”
Pick-up sensor (Q131)
3
Does the copier operate nor-
mally when the pick-up sensor
(Q131) is blocked with paper?
YES
Check the sensor lever.
Pick-up solenoid (SL1;
PC420/430/FC220),
Registration solenoid
(SL1; PC400/FC200)
4
Set the meter to the ‘30VDC’
range.
Does the voltage
between J201-6 (+) and J201-7
(-) on the DC controller/DC
power supply PCB change to
about 24 V at pick-up timing?
YES
Check the spring clutch in
the registration assembly
and pick-up assembly; if
normal, replace the
solenoid.
DC controller/
DC power supply PCB
NO
Check the wiring from the
solenoid to the DC con-
troller/DC power supply
PCB; if normal, replace
the DC controller/DC
power supply PCB.
Cause
Step
Checks
YES/NO
Remedies
Scanning lamp
(LA1-LA8)
1
Is the scanning lamp unit
attached correctly?
NO
Re-attach the lamp unit.
Scanning lamp
(LA1-LA8)
2
Is the scanning lamp black?
YES
Replace the scanning
lamp unit.
DC controller/DC
power supply PCB
3
Is the connector of the scanning
lamp connected firmly?
YES
Replace the DC controller/
DC power supply PCB.
Connector
NO
Re-connect the connector.