HP LaserJet 4 Service Manual - Page 295
DC Controller PCA Layout -LaserJet 4 Plus/5, Number, Table 7-37
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VR201 J205 5 2 1 5 1 1 J204 9 1 J206 1 J201 J215 31 J212 31 1 13 TB201 7 6 J214 1 32 J207 31 1 1 J208 J209 8 7 1 J210 3 1 J211 3 10 J213 1 Figure 7-17 DC Controller PCA Layout -LaserJet 4 Plus/5 Table 7-37 Number Part J201 Paper Control PCA J208 Scanner/Beam Detect J209 Laser Drive PCA J207 Formatter PCA J210 Deliver/Exit Sensor PS3 J213 Interconnect PCA J211 Cooling Fan J214 Main Motor J215 Power Supply/Fuser Drive VR201 Registration Adjustment TB201 DC Voltages (from Power Supply) J206 Control Panel Troubleshooting 7-65
5
J204
1
5
1
1
9
2
1
J206
J205
VR201
1
13
3
1
1
7
J201
J212
3
1
J215
TB201
6
1
J214
10
1
J213
3
1
J211
3
J210
1
8
1
1
7
J209
J208
J207
31
32
Figure 7-17
DC Controller PCA Layout —LaserJet 4 Plus/5
Number
Part
J201
Paper Control PCA
J208
Scanner/Beam Detect
J209
Laser Drive PCA
J207
Formatter PCA
J210
Deliver/Exit Sensor PS3
J213
Interconnect PCA
J211
Cooling Fan
J214
Main Motor
J215
Power Supply/Fuser Drive
VR201
Registration Adjustment
TB201
DC Voltages (from Power Supply)
J206
Control Panel
Table 7-37
Troubleshooting 7-65