Toshiba 1550 Service Manual page 16

(4) Switches
Symbol Code name
S1 MAIN-SW (Main switch)
S2 DOOR-SW (Door switch)
S3 EMP1-SW
(Paper-empty switch 1)
S4 SIZE1-SW (Size switch)
S5 RGT-SW (Aligning switch)
S6 EXIT-SW (Exit switch)
S7 HOME-SW (Home switch)
S8 LNS-SW (Lens switch)
S9 MRR-SW (Mirror switch)
S10 T-FUL-SW
(Toner-full switch)
(5) Heaters and lamps
Symbol Code name
EXP EXPO-LAMP
(Exposure lamp)
HTR HTR-LAMP (Heater lamp)
ERS ERS-LAMP
(Discharge lamp)
DCH DCH-LED
(LED eraser array)
DHU D-HTR-U (Damp heater U)
DHL D-HTR-L (Damp heater L)
1550/1560 GENERAL
Go to 1550 DC Harness
Connection Diagram
Function
Power supply
For safety, cancels
abnormal condition
Detects lack of paper in the
cassette
Detects cassette size
Detects paper in front of the
aligning roller
Detects exiting paper
Detects home position of the Photointerruptor
optical system
Detects home position of the Photointerruptor
lens unit
Detects home position of the Photointerruptor
mirror unit
Detects when the used toner Microswitch
bag is full
Function
Exposes the original
Fixing
Discharges the drum
To interrupt the charge
Keeps optical system warm
(option)
Keeps the drum and transfer/ PTC
separationcharger case
warm (option)
2 - 9
Go to 1560 DC Harness
Connection Diagram
Remarks *Page/item No.
Tumbler type P4, I2
Push switch P4, I4
Reflecting photo P6, I20
sensor
Push switch P6, I26
Photointerruptor P7, I15
Photointerruptor P20, I15
P12, I16
P12, I16
P8, I27
P17, I22
Remarks *Page/item No.
Halogen lamp P10, I14
300W
Halogen lamp P19, I6
900W
LED type P15, I14
LED P15, I15
PTC P12, I33
P6, I36
Mar. 1998 © TOSHIBA