Epson AcuLaser C1900 Service Manual page 224

EPSON AcuLaser C1900/AcuLaser C900
Table 7-5. Engine Board (PWB-A) -- Connectors (continued)
Connector
PJ19 Connector for connection to Optional Cassette Unit
⇒ Detection of Intermediate Transfer Belt Unit (PWB-G)
PJ20
⇒ Belt Location Detection Sensor (PC5)
Harness for connection to detection terminals for presence of
Photoconductor Unit or new Photoconductor Unit
PJ21
(Connection to the terminals on the back of the Drum Unit Slide Cover)
PJ22 Connector for connection to High Voltage Power Supply Board (HVPS)
PJ23 Connector for connection to Laser Control Board (on PH Unit)
⇒ Polygon Motor (M3)
PJ24
⇒ Fuser Cooling Fan Motor (M5)
PJ25
⇒ AIDC Sensor (AIDC)
PJ26
⇒ Toner Cartridge Detection Sensor (PC8)
PJ27
PJ28 Socket for EEPROM (IC3)
⇒ Fuser Loop Flapper Solenoid (SL6)
PJ29
PJ30 (The same circuit that is used for PJ14)
Appendix
Function
Connectors and Jumpers on Circuit Boards
Revision B
224