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3. Clutches, solenoids, and motors (Explained with the SF-1120 and the SF-CM15)
Clutches and solenoids
No. Signal name Name Functions, operations
1 PSPS Paper separation solenoid Paper separation solenoid drive
2 RRC Resist roller clutch For resist roller rotation
3 TRC Transport roller clutch For transport roller rotation
4 CPFC1 Tray paper feed clutch (Paper is fed from the ADU in the SF-1120) For paper feed roller rotation
5 CPFC2 Tray paper feed clutch For paper feed roller rotation
6 CPFC3 Option tray paper feed clutch (SF-CM15, SF-CM16) For paper feed roller rotation
7 CPFC4 Option tray paper feed clutch (SF-CM15 only) For paper feed roller rotation
8 MPFS Manual paper feed solenoid For pressing take-up roller
9 GS Gate solenoid (SF-1120 only) For selection of the gate
U DPFC Take-up roller clutch (SF-1120 only) For ADU take-up roller rotation
V DRRC Transport roller clutch (SF-1120 only) For ADU transport roller rotation
Motors
No. Signal name Name Functions, operations Type
F VFM Ventilation fan motor Used to ventilate around the fusing section, cools
down the machine, and remove ozone.
DC brushless
G MM Main motor Used to drive the body. DC brush
H CFM Optical system cooling fan Used to cool and ventilate the optical system. DC brushless
I LM Lens motor Used to move the optical lens. DC stepping
J TM Toner motor Used to stir toner. DC synchronous
K MRM Mirror motor Used to move the mirror base. DC stepping
L CS2M Paper feed motor (SF-CM15, CM16) Used to drive the paper feed roller. DC brush
M CS3M Option paper feed motor Used to drive the option paper feed roller. DC brush
N CS4M Option paper feed motor (SF-CM15 only) Used to drive the option paper feed roller. DC brush
O SMF Suction fan motor Used to ventilate the suction section. DC brushless
P VFM2 Exhaust fan motor Used to ventilate the fusing section, cool the machine,
and exhaust ozone.
DC brushless
Q DFM Duplex copy fan motor (SF-1120 only) Used to ventilate and cool the ADU section. DC brushless
R DDM ADU motor (SF-1120 only) Used to drive the ADU section DC brush
S PAM1 Matching motor (SF-1120 only) Used to drive the ADU matching disk Stepping
T PAM2 Matching motor (SF-1120 only) Used to drive the ADU matching disk Stepping
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