Canon LBP1760P, Service Manual

Page: 141 / 394

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.
➀
Connectors
➁
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.
➀
Rod
➁
Screws (M4)
➂
Screws (M3)
➃
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.
➀
Screw
➁
Cover
➂
Sheet
➃
Engine controller PCB
Figure 3-7-3
3 - 27
CHAPTER 3
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➃
➀
➂
➁
➃
➁ ➂
➀