Checking The Sensitivity Level Of The Transmission Sensor - Toshiba e-STUDIO556 Service Manual

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Checking the sensitivity level of the transmission sensor

How dirty the transmission sensor (photosensor PCB/LED PCB) can be checked by the number of

times that LED1 on the finisher controller PCB lights. For this reason, how dirty the transmission sensor

is serves as a guide for when to perform cleaning during periodic maintenance.

Remove the rear cover of the finisher unit.

Set bits 1 through 6 of DIPSW3 on the finisher controller PCB as indicated.

Press SW1 on the finisher controller PCB. Pressing this switch lights LED1 on the finisher

controller PCB as indicated in the table so that you can check the sensitivity level of the

transmission sensor.

Sensitivity Level

Sensor not dirty

Sensor slightly dirty

Sensor dirty

Set all bits on DIPSW3 to OFF.

e-STUDIO556/656/756/856(Ver03)

Number of LED Lightings

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