Printed Circuit Boards - Canon LBP1760P Service Manual

VII. PRINTED CIRCUIT
BOARDS
A. Engine controller PCB
1. Removal from the printer
1) Remove the pick-up module according
to the steps 1) through 12) on page 3-5.
2) Remove the top cover unit, right cover,
and left cover.
3) Remove the fixing unit according to the
steps 1) through 5) on page 3-23.
4) Disconnect the 2 connectors and
remove the ground spring from the left
side of the printer.
Connectors Ground spring
Figure 3-7-1
5) Place the printer with left side down.
6) Remove the rod from the engine con-
troller PCB.
7) Remove the 4 M4 screws and the 3 M3
screws, and pull out the engine con-
troller PCB.
Rod
Screws (M4)
Screws (M3)
Engine controller PCB
Figure 3-7-2
8) Disconnect the 11 connectors from the
engine controller PCB.
9) Undo the screw, and then take out the
cover and the sheet from the engine
controller PCB.
Screw
Cover
Sheet
Engine controller PCB
Figure 3-7-3
CHAPTER 3
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