Toshiba E-STUDIO2508A - 3.3.5 PC boards; 3.3.6 Lamps and heaters

3
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OUTLINE OF THE MACHINE
3 - 15
3.3.5 PC boards
3.3.6 Lamps and heaters
Symbol Name Function Remarks P-I
CCD PWA-F-CCD
CCD driving PC board (CCD board)
Controlling CCD and outputting the
analog signal
Fig. 3-3
12-9
CTIF PWA-F-CTIF
Toner cartridge interface PC board
(CTIF board)
Interface for detecting the toner
cartridge (Detecting the CTRG board)
Fig. 3-5
---
CTRG PWA-F-CTRG
Toner cartridge PC board
(CTRG board)
Storing the status of the toner cartridge
Fig. 3-5
---
DSP PWA-F-DSP
Display PC board (DSP board)
Controlling the whole control panel
Fig. 3-3
3-21
EPU PWA-F-EPU
EPU memory board (EPU board)
Determining the used status of the
developer unit (EPU) (Determining
whether a unit is new or used) (Service
management required)
Fig. 3-4
28-21
KEY PWA-F-KEY
Key control PC board (KEY board)
Controlling the key switches and LEDs
Fig. 3-3
3-22
LDR PWA-F-LDR
Laser driving PC board
(LDR board)
Driving the laser diode
Fig. 3-5
11-1
LGC PWA-F-LGC
Logic PC board (LGC board)
Controlling the print engine section
Fig. 3-6
9-13
SFB PWA-F-SFB
Paper size detection board
Detecting the width of paper on the
bypass tray
Fig. 3-9
19-13
SNS PWA-F-SNS
H-sync signal detection PC board
(SNS board)
Detection of the laser beam position
Fig. 3-5
11-1
SYS PWA-F-SYS
System control PC board
(SYS board)
Controlling the whole system and image
processing
Fig. 3-6
9-10
Symbol Name Function Remarks P-I
DH1 DRM-DH
Drum damp heater
Preventing condensation of the drum
Fig. 3-4
5-20
DH2 SCN-DH
Scanner damp heater
Preventing condensation of the mirrors
of the carriages
Fig. 3-3
12-17
ERS LP-ERS
Discharge LED
Removing the residual charge from the
drum surface
Fig. 3-4
27-32
EXP LP-EXPO
Exposure lamp
Exposing the original to the light (LED)
Fig. 3-3
23-3
LAMP1 CNTR-LAMP
Center heater lamp
Heating the center section of fuser roller
Fig. 3-5
31-19
LAMP2 SIDE-LAMP
Side heater lamp
Heating the section of both sides of
fuser roller
Fig. 3-5
31-20
LAMP3 LAMP-TRIPLE
Sub heater lamp
Sub heating of the fuser roller
* 35ppm/45ppm/50ppm only
Fig. 3-5
31-21