HP laserjet m712 Fehlerbehebungsanleitung
Motor locations
The following figure shows the product motor locations.
Figure 1-4
Motor locations
M4
M5
M1
M2
M3
Table 1-2
Motor locations
Motor
Components driven by motor
M1
Drum motor
Photosensitive drum, transfer roller, registration roller, MP tray pickup roller, cassette
pickup roller, and feed roller
pickup roller, and feed roller
M2
Scanner motor
Laser scanner mirror
M3
Fuser motor
Pressure roller, fuser output roller, intermediate output roller and paper delivery roller
M4
Upper cassette lifter motor Lifter for the upper cassette
M5
Lower cassette lifter motor
Lifter for the lower cassette
Failure detection
The DC controller monitors the following motors to determine a motor failure:
●
Drum motor
●
Scanner motor
●
Fuser motor
ENWW
Engine control system
7