Control Boards - Canon LASER CLASS 3175 Service Manual

LASER CLASS 3170/3175/3175MS Chapter 1: Safety and Precautions

2.3.6 Control boards

a) SCNT board
Jumper plug JP3 and J6 are for factory check only. Service technician must not
remove it.
SCNT board data
User data, service data are stored in memory on the SCNT board.
Therefore, these data must be printed out before replacing the
REFERENCE
SCNT board.
For details, see this Chapter, 3. PRECAUTIONS FOR DATA
PROTECTION .
b) Power supply unit
The RV1 and RV2 are for factory adjustment only. Service technician must not
change these settings.
c) ECNT board
The VR601 is for factory adjustment only. Service technician must not change
this setting.
d) Laser scanner unit
The VR501, VR502 and VR503 are for factory adjustment only. Service
technician must not change these settings.
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