Confidential
3-28
(2) Motors (Refer to Fig. 3-30.)
No. Name Code Function
1 Main Motor PU
MM
To drive the OPC belt and the paper
transport system.
2 Developer Motor PU
DM
To drive the toner cartridge and the
developing system.
3 Scanner Motor
(Laser ASSY)
SCM
To scan the laser beam.
4 Exit Fan PU
EXFAN
To exhaust the heat of fusing unit.
5 Power Supply Fan PU
PSFAN
To exhaust the heat of power supply unit
and Interface controller.
6
6-1
6-2
6-3
Interlock Switch PU
Front Cover Switch
Paper Exit Cover Switch
Back Cover Switch
DSW1
DSW2
DSW3
This the safety interlock switch when
opening the cover.
7 Laser Fan PU
LDFAN
To exhaust the heat of laser ASSY.
Fig. 3-30
1. Main Motor PU
2. Developer Motor PU
3. Scanner Motor
(Laser ASSY)
4. Exit Fan PU
5. Power Supply Fan PU
6-1. Front Cover Switch
6-2. Paper Exit
Cover Switch
6-3. Back Cover Switch
7. Laser Fan PU
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