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Epson C 2900 Manual

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6 - 54 Chapter 6   Principles of Operation
Epson AcuLaser C2900NRevision B
Confidential
5.5 Fuser Unit Control
5.5.1 Fuser Unit temperature control
As for the Fuser Unit temperature control, the target temperature is set, then the Heat Roll surface tem-
perature is controlled so that it can meet the target value by turning on/off the Heater Lamp.
Temperature of individual area of the Heat Roll is detected by the Fuser Unit Non-Contact Sensor 
(NCS) in the middle of the Heat Roll and the Temp Sensor at...

Page 612

6 - 55 Chapter 6   Principles of Operation
Epson AcuLaser C2900NRevision B
Confidential
6. Drive Transmission Route
6.1 DRIVE ASSY MAIN
Rotation power of the DRIVE ASSY MAIN is transmitted through the route below.
DRIVE ASSY  MAIN
[ BELT ]
TRANSFER ASSY
[ Name of moving parts ]
GEAR P3
DRIVE ASSY  PH
CHUTE ASSY FDR REGI
CLUTCH ASSY  DRV
GEAR REGI RUBBER
GEAR REGI METAL
GEAR P2GEAR T4
GEAR P4
GEAR P5
[ ROLL ASSY REGI ]
[ ROLL REGI METAL ]
GEAR ASSY  FEEDSOLENOID FEED MSIGEAR DRV
[ ROLL ASSY FEED ]
HSG...

Page 613

6 - 56 Chapter 6   Principles of Operation
Epson AcuLaser C2900NRevision B
Confidential
FRONT
MiS06033KA
:  Indicates the engagement of gears.[ Name of moving parts ] [ PAPER FEED DRIVE ]
DRIVE ASSY  PHDRIVE ASSY  MAIN
GEAR P2
GEAR P3 GEAR P4
GEAR P5
GEAR ASSY  FEEDCLUTCH ASSY
DRVGEAR REGI RUBBER
GEAR REGI METAL
SOLENOID FEED MSI
[ ROLL ASSY FEED ] [ ROLL ASSY REGI ]
[ ROLL REGI METAL ] 

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Epson AcuLaser C2900NRevision B
Confidential
FRONT
MiS06034KA
:  Indicates the engagement of gears.[ Name of moving parts ] [ DRUM and BELT DRIVE ]
Drum Cartridge
DRIVE ASSY  MAIN
GEAR PHD 2 GEAR PHD 1 GEAR PHD 2
GEAR T4GEAR DRV
[ BELT ]
[ DRUM (M) ]
[ DRUM (Y) ]
[ DRUM (K) ]
[ DRUM (C) ] 

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6 - 58 Chapter 6   Principles of Operation
Epson AcuLaser C2900NRevision B
Confidential
6.2 DRIVE ASSY MAIN and DRIVE ASSY SUB DRIVE
Rotation power of the DRIVE ASSY MAIN and DRIVE ASSY SUB are transmitted through the route 
below.
GEAR D1
GEAR D2GEAR DK
GEAR D1GEAR P2
DRIVE ASSY  MAINSUB MOTOR
GEAR D5
GEAR MAG (K)GEAR D3 IN DRIVE ASSY  SUB
GEAR D3 OUTFLANGE D3
CAM C
GEAR C
GEAR P4-2GEAR P4
GEAR P3
COLOR MODE
SWITCHING SOLENOID
DRIVE ASSY  PH
HSG ASSY DEVE (K) [ MAGNET ROLL (K) ]
Drum Cartridge...

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6 - 59 Chapter 6   Principles of Operation
Epson AcuLaser C2900NRevision B
Confidential
FRONT
MiS06036KA GEAR MAG (K) [ MAGNET ROLL (K) ]GEAR D5
GEAR D1 GEAR DK
SUB MOTOR
GEAR D1
GEAR D2 DRIVE ASSY  SUB
DRIVE ASSY  MAINDRIVE ASSY  PH
DRIVE ASSY  PH
GEAR P2
GEAR P3
COLOR MODE
SWITCHING SOLENOID GEAR P4
GEAR CCAM C FLANGE D3
GEAR P4-2
:  Indicates the engagement of gears.[ Name of moving parts ] [ BLACK and WHITE MODE ]
GEAR D2 FLANGE D3 CAM C
GEAR D4
GEAR D3 IN GEAR D3 OUT 

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6 - 60 Chapter 6   Principles of Operation
Epson AcuLaser C2900NRevision B
Confidential (Refer to 6.1 PHOTOCONDUCTOR (PC)/DEVELOPER (DEV) DRIVE [SIMPLEX MODE]
DRIVE ASSY  MAINDRIVE ASSY  SUB
GEAR PHD 1
HSG ASSY XERO (Y, M, C, K)[ DRUM ]
GEAR PHD 2
GEAR AUGER  CLNGGEAR MAG IDLR
GEAR IDLER PADDLE
GEAR PADDLE
GEAR AUGER
GEAR AUGER
GEAR IDLER AUGER SIDE
GEAR AUGER  SIDE
[ AUGER CLNG SIDE ]
[ PADDLE DEVE ]
[ AUGER FRONT ]
[ AUGER REAR ]
[ AUGER ]
HSG ASSY DEVE (Y, M, C, K) [ MAGNET ROLL ]
GEAR MAG (Y, M, C,...

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Epson AcuLaser C2900NRevision B
Confidential
FRONT
MiS06038KA
:  Indicates the engagement of gears.[ Name of moving parts ] [ EXCESS TONER COLLECTING DRIVE ]
[ DRUM ] GEAR AUGER  CLNG
GEAR IDLER AUGER SIDEGEAR AUGER  SIDE
DRIVE ASSY  MAIN
GEAR PHD 2 GEAR PHD 1 GEAR PHD 2
Drum Cartridge
[ AUGER CLNG SIDE ]
[ AUGER ]
HSG ASSY  XERO 

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Epson AcuLaser C2900NRevision B
Confidential
FRONT
MiS06039KA
:  Indicates the engagement of gears.[ Name of moving parts ] [ DEVELOPMENT DRIVE ]
DRIVE ASSY  SUB
Drum Cartridge
GEAR MAGGEAR MAG IDLR GEAR IDLER PADDLE
GEAR PADDLE
GEAR AUGER GEAR AUGER HSG ASSY  DEVE
[ MAGNET ROLL ]
[ AUGER REAR ]
[ AUGER FRONT ]
[ PADDLE DEVE ] 

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6 - 63 Chapter 6   Principles of Operation
Epson AcuLaser C2900NRevision B
Confidential
6.3 TONER DISPENSER (Y, M, C, K)
Rotation power of the TONER DISPENSER drives the agitator and the auger in the TONER CAR-
TRIDGE.
[TONER CARTRIDGE]
[ Name of moving parts ]
DISPENSER ASSY
TONER CARTRIDGE (K)
GEAR IDLER (K)
MOTOR ASSY DISP (K)
GEAR AGITATOR  (K)
[ TONER DISPENSER ]
[ AUGER (K) ]
GEAR IDLER AGI (K)
GEAR IDLER AUG (K)
[ AGITATOR (K) ]
TONER CARTRIDGE (C)
GEAR AGITATOR  (C)
[ AGITATOR (C) ]
TONER...
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