Brother HL-2700CN Service Manual page 83

(3) Clutches and Solenoids (Refer to Fig.4-30.)
No. Name
Paper Feed Clutch
1
PU
Registration Clutch
2
PU
3 Fuser Clutch PU
Cleaning Roller
4
Solenoid PU
Developer Clutch
5 ∼ 8
PU
Toner Retract
9
Solenoid PU
Transfer Roller
10
Clutch PU
Code
To feed papers by coupling the feeding
PCLU roller to the main gear unit at timing of
the paper feeding.
To transport papers by coupling the
registration roller to main gear unit as
RECL
synchronized with the rotation of transfer
drum.
To drive the fusing roller by coupling the
FUCL
fuser unit to the main gear unit.
To drive the brush of drum cleaner by
FBSOL coupling the cleaner clutch to the main
gear unit at timing of the drum cleaning.
To drive the Mg. roller of desired color
DCL toner cartridge by coupling said toner
(Y,M,C,K) cartridge to the developer gear unit at
timing of the developing.
To relocate the desired color toner
DSL
cartridge to developing position at timing
(Y,N,C,K)
of the developing.
To have the transfer roller contact to the
TRCL transfer roller's surface at timing of the
second transfer.
IV-30
Function