Toshiba 8070 Service Manual page 37

Symbol
S40 T-DOWN-SW (LCF tray down switch)
S41 DOOR-SW (door switch)
S42 MAIN-SW (main switch)
S43 TR-TCH-SW (Transfer belt touch switch) Used for touching the transfer belt
S44 TR-SEP-SW
(Transfer belt estrangement switch)
S45 EXIT-AC-SW (Exit door inter lock switch) Used for ensuring safety
S46 HTR-SW (Fuser switch)
S47 CST3-SW (Middle cassette switch)
S48 CST4-SW (Lower cassette switch)
S49 LCF-DOOR2-SW (LCF door switch 2)
(6) Heaters and lamps
Symbol
DHM D-HTR-M (damp heater (M))
DHL D-HTR-L (damp heater (L))
DHL D-HTR-L (damp heater (lower))
HTR-L HTR-LANMP (heater lamp)
EXP EXPO-LAMP (exposure lamp)
LRG PS-LRG-300 (lamp regulator PC board)
ERS ERS-300 (discharge LED lamp)
(7) PC boards
Symbol
CCD PWA-F-CCD-300
(CCD image pre-processing PC board)
SLG PWA-F-SLG-300 (scanning optical
system control PC board)
SDV PWA-F-SDV-300
(scanning motor drive PC board)
PLG PWA-F-PLG-300 (PLG PC board)
POL M/A-DRV-POL-300
(polygon mirror motor drive PC board)
SNS PWA-F-SNS-300 (sensor PC board)
LDR K-PWA-F-LDR-300 (laser PC board)
SYS PWA-F-SYS-300 (system PC board)
6570/5570 OUTLINE
Name
Name
Name
2 - 28
Function
Detects the bottom position of the LCF tray
Used for ensuring safety
Used for switching the main power
supply ON and OFF
Used for separating the transfer belt
Used for safety without fuser unit
Detects misplacement of the middle cassette
Detects misplacement of the lower cassette
Detects opening/closing of the LCF door
Function
Maintains the optical system at the
preset temperature
Maintains the optical system at the
preset temperature
Maintains the drum, and transfer/separation
charger case at the preset temperature
Used for fusing
Exposes the original
Controls the exposure lamp
Used for discharging the drum
Function
Control CCD image pre-processing
Controls the scanning optical system
Drives the scanning motor
Controls the laser unit
Drives the polygon mirror motor
Detects the beam position
Drives the laser
Whole system control and data processing
Remarks
Remarks
Remarks
Mar. 1999 © TOSHIBA TEC