Toshiba DP1600 Service Handbook page 177

CCA Lower stack tray lift motor is abnormal
Is the wiring between the finisher controller PWA and lower stack tray lift motor correct?
NO
Correct the wiring.
YES
Are the front and rear sides of the lower stack tray leveled?
NO
Level them.
YES
Is the lower stack tray lift motor clock sensor working properly?
NO
Replace the sensor.
YES
Is the stack tray paper height sensor working properly.
NO
Replace the sensor.
YES
Are the lower stack tray upper limit sensor and lower stack tray lower limit sensor working
properly?
NO
Replace the sensor or sensor controller PWA.
YES
Does the voltage between the pins J3-1 and -2 on the finisher controller PWA become 24V
when the lower stack tray lift motor starts rotating?
NO
Replace the finisher controller PWA.
YES
Check the wiring between the upper stack lift motor and finisher controller PWA. If there is no
problem, replace the lower stack tray lift motor.
December 2000 © TOSHIBA TEC 4 - 53 1600/2000/2500 TROUBLESHOOTING