Toshiba e-STUDIO281c, e-STUDIO351c, e-STUDIO451c

June 2005 © TOSHIBA TEC e-STUDIO281c/351c/451c TROUBLESHOOTING

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[CC90] Upper stack tray lift motor abnormality

MJ-1022

Is the wiring between the finisher controller PC board and upper stack tray lift motor (M5) cor-

rect?

ÈNO ÆCorrect the wiring.

YES

Are the front and rear sides of the upper stack tray leveled?

ÈNO ÆLevel them.

YES

Is the upper stack tray lift motor clock sensor (S19) working properly?

ÈNO ÆLevel them.

YES

Is the stack tray paper height sensor (S10) working properly?

ÈNO ÆReplace the sensor.

YES

Are the upper stack tray upper limit sensor (S25), upper stack tray full sensor (S23) and stack

processing safety switch (S26) working properly?

ÈNO ÆReplace the sensor or sensor controller PC board.

YES

Does the voltage between the pins J14-1 and -2 on the finisher controller PC board become

24V when the upper stack tray lift motor starts rotating?

ÈNO ÆReplace the finisher controller PC board.

YES

Check the wiring between the upper stack tray lift motor and finisher controller PC board. If

there is no problem, replace the upper stack tray lift motor.