Q1860-90918 Chapter 7 Troubleshooting 237
Table 55. Sensors, switches, clutches, and solenoids
Sensor Name
CL405 Registration roller clutch
CL406 Feed roller clutch
PS301 Tray 2 paper sensor
PS302 Paper-width sensor
PS303 Face-up tray open sensor
PS307 Face-down tray paper-full sensor
PS401 Tray 1 paper sensor
PS402 Top-of-page sensor
PS403 Registration roller paper sensor
PS1306 Fuser paper-delivery sensor
PS1601 250-sheet feeder paper sensor
PS1701 Duplexer reversing-unit paper sensor
PS1702 Duplexer side-registration guide home-position sensor
PS1703 Duplexer refeed paper sensor
PS2001 500-sheet feeder paper sensor
PS2002 500-sheet feeder paper feed sensor
SL306 Tray 2 pickup solenoid
SL404 Tray 1 pickup solenoid
SL1501 250-sheet feeder pickup roller solenoid
SL1701 Duplex deflector solenoid
SL2001 500-sheet feeder pickup roller solenoid
SW101 Main power switch
SW401 Top cover switch
SW402 Engine-test print switch
SW403 Tray 2 paper-size switch 1
SW404 Tray 2 paper-size switch 2
SW405 Tray 2 paper-size switch 3
SW406 Tray 2 paper-size switch 4
SW1601 250-sheet feeder paper-size switch 1
SW1602 250-sheet feeder paper-size switch 2
SW1603 250-sheet feeder paper-size switch 3
SW1604 250-sheet feeder paper-size switch 4
SW2101 500-sheet feeder paper-size switch 1
SW2102 500-sheet feeder paper-size switch 2
SW2103 500-sheet feeder paper-size switch 3
SW2104 500-sheet feeder paper-size switch 4
TSW1 Fuser thermal switch
TH1301 Fuser roller thermistor
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