Circuit Boards
Figure 6-115.
Circuit board locations
1 DC controller PCB
2 Memory controller PCB
3 High-voltage power supply PCBs
4 Low-voltage power supply PCB
5 Formatter PCB
6 Control panel PCB
DC controller PCB removal
NOTE
When the DC controller PCB is replaced, in addition to replacing the PCB, a configuration
procedure must be performed. For information on this configuration, refer to Chapter 8,
Replacement parts configuration.
1. Remove the left cover. See
Left cover removal.
2. Disconnect all cable connections (19 connectors for the HP Color LaserJet 3500/3550
series printer and 20 connectors for the HP Color LaserJet 3700 series printer).
278 Chapter 6 Removal and replacement ENWW
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