Sharp SF-1020, SF-1120

3. Clutches, solenoids, and motors (Explained with the SF-1120 and the SF-CM15)

Clutches and solenoids

No. Signal name Name Functions, operations

1PSPS Paper separation solenoid Paper separation solenoid drive

2RRC Resist roller clutch For resist roller rotation

3TRC Transport roller clutch For transport roller rotation

4CPFC1 Tray paper feed clutch (Paper is fed from the ADU in the SF-1120) For paper feed roller rotation

5CPFC2 Tray paper feed clutch For paper feed roller rotation

6CPFC3 Option tray paper feed clutch (SF-CM15, SF-CM16) For paper feed roller rotation

7CPFC4 Option tray paper feed clutch (SF-CM15 only) For paper feed roller rotation

8MPFS Manual paper feed solenoid For pressing take-up roller

9GS Gate solenoid (SF-1120 only) For selection of the gate

UDPFC Take-up roller clutch (SF-1120 only) For ADU take-up roller rotation

VDRRC Transport roller clutch (SF-1120 only) For ADU transport roller rotation

Motors

No. Signal name Name Functions, operations Type

FVFM Ventilation fan motor Used to ventilate around the fusing section, cools

down the machine, and remove ozone. DC brushless

GMM Main motor Used to drive the body. DC brush

HCFM Optical system cooling fan Used to cool and ventilate the optical system. DC brushless

ILM Lens motor Used to move the optical lens. DC stepping

JTM Toner motor Used to stir toner. DC synchronous

KMRM Mirror motor Used to move the mirror base. DC stepping

LCS2M Paper feed motor (SF-CM15, CM16) Used to drive the paper feed roller. DC brush

MCS3M Option paper feed motor Used to drive the option paper feed roller. DC brush

NCS4M Option paper feed motor (SF-CM15 only) Used to drive the option paper feed roller. DC brush

OSMF Suction fan motor Used to ventilate the suction section. DC brushless

PVFM2 Exhaust fan motor Used to ventilate the fusing section, cool the machine,

and exhaust ozone. DC brushless

QDFM Duplex copy fan motor (SF-1120 only) Used to ventilate and cool the ADU section. DC brushless

RDDM ADU motor (SF-1120 only) Used to drive the ADU section DC brush

SPAM1 Matching motor (SF-1120 only) Used to drive the ADU matching disk Stepping

TPAM2 Matching motor (SF-1120 only) Used to drive the ADU matching disk Stepping

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