Removal Of The Print Head Upper And Lower Assy - Minolta CF910 Service Manual

(8) Removal of the Print Head Upper and Lower Assy

DANGER
You must conform to these procedures or you are endangering your eyes by exposure by
class lllb laser radiation.
WARNING
Whenever servicing the Print Head Upper Assy, Print Head Lower Assy or Optical Cover,
make sure that the power cord has been unplugged from the outlet.
Never attempt to disassemble the Polygon Motor Drive Board, PH Control Board (Analog),
Print Head Upper and Lower Assy.
Remove the Print Head Upper and Lower Assy after the IR Board Assy has been removed.
Note 1:
The Print Head Upper
Assy, Print Head
Lower Assy, and PH
Control Board (Digital/
Analog) Assy must be
replaced as one set.
1. Optical Cover
WARNING
The power cord must not be plugged in as long as the Print Head Upper Assy, Print Head
Lower Assy or Optical Cover is removed.
Fig. 1 Print Head Upper Assy
Window 1
Clean
3. Print Head
Upper Assy
Fig 1
Window 2
Clean
1154D128AC
D-17
4. Polygon Motor Drive Board
2. Print Head Lower Assy
Fig. 2
Note 2:
When removing the Assy,
hold it with your hands.
Fig. 2 Print Head Lower Assy
Window 4 Clean
1154D127AE
Window 3 Clean
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