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OUTLINE OF THE MACHINE
2 - 13
5. PC boards
6. Lamps and heaters
Symbol Name Function Remarks P-I
MAIN PWA-F-MAIN
Main PC board (MAIN board)
Controlling the whole system and
image processing
Fig. 2-7 7-1
SRAM PWA-F-SRAM
SRAM PC board (SRAM board)
Storing the setting information of the
equipment
Fig. 2-7 7-33
LDR PWA-F-LDR
Laser driving PC board (LDR board)
Driving the laser diode Fig. 2-5 5-13
SNS PWA-F-SNS
H-sync signal detection PC board
(SNS board)
Detecting the laser beam position Fig. 2-5 5-13
HPNL PWA-F-HPNL
Control panel PC board
(HPNL board)
Detecting the button entry and
controlling LED and LCD on the control
panel
Fig. 2-3 4-20
CTIF PWA-F-CTIF
Toner cartridge interface PC board
(CTIF board)
Interface for detecting the toner
cartridge
(Detecting the CTRG board)
Fig. 2-5 7-30
CTRG PWA-F-CTRG
Toner cartridge PC board
(CTRG board)
Storing the status of the toner cartridge Fig. 2-5 103-3
FUS PWA-F-FUS
Fuse PC board (FUS board)
Supplying power to each damp heater
* Optional for NAD/MJD/CND model,
standard for other models
Fig. 2-6 7-12
PFC PWA-F-PFC
Paper feed controller PC board
(PFC board)
Controlling the automatic duplexing unit
and paper feed pedestal
*Option
Fig. 2-7 7-35
ADU PWA-F-ADU
ADU driving PC board (ADU board)
Controlling the automatic duplexing unit
*Option
Fig. 2-9 MD-0103
1-13
Symbol Name Function Remarks P-I
LAMP1 CNTR-LAMP
Center heater lamp
Heating the center section of the fuser
roller
Fig. 2-5 23-12
LAMP2 SIDE-LAMP
Side heater lamp
Heating the section of both sides of the
fuser roller
Fig. 2-5 23-13
ERS LP-ERS
Discharge LED
Removing the residual charge from the
drum surface
Fig. 2-6 20-13
DH1 SCN-DH-L
Scanner damp heater (Left)
Preventing condensation in the
scanner unit
* Optional for NAD/MJD/CND model,
standard for other models
Fig. 2-3 9-17
DH2 SCN-DH-R
Scanner damp heater (Right)
Preventing condensation in the
scanner unit
* Optional for NAD/MJD/CND model,
standard for other models
Fig. 2-3 9-18
DH3 DRM-DH
Drum damp heater
Preventing condensation of the drum
* Optional for NAD/MJD/CND model,
standard for other models
Fig. 2-6 8-6
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