Sony UP-D70XR, Service Manual

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UP-D70XR
h) REMOVE PAPER AND PRESS [>]
Detection sensor : PATH 0 sensor (Photo interrupter) or paper edge sensor (Photo interrupter)
Cause : When feeding paper, paper does not come in a few seconds.
Symptom : 1. Paper is not sent correctly by some reason.
2. Sensor defective. Or mechanical shutter defective.
3. Paper feed motor does not operate.
Detection sensor : PATH 1 sensor (Photo interrupter)
Cause : Capstan motor rotates abnormally during paper rewind.
Symptom : 1. Paper is unnaturally pulled by some reason during paper rewind.
2. Sensor defective
3. Capstan motor does not operate.
Detection sensor : Take up FG sensor (Photo interrupter) and supply FG sensor (Photo interrupter)
Cause : It was judged that ribbon is stopped by both FG sensors during printing.
Symptom : 1. Paper is stopped by some reason.
2. Abnormal occurs at ribbon.
3. Sensor defective
Detection sensor : Nothing
Cause : When turning the unit ON, it is judged that paper remains in the unit. (EEPROM
memories that the unit is turned OFF during previous printing.)
Symptom : 1. The unit was turned OFF during previous printing.
2. EEPROM defective
3. EEPROM is not initialized.
i) REMOVE PAPER
Detection sensor : PATH 0 sensor (Photo interrupter) or paper edge sensor (Photo interrupter)
Cause : It was judged that paper remains in the internal of the unit during waiting
condition.
Symptom : 1. Paper remains in the internal of the unit.
2. Sensor defective. Or mechanical shutter defective.
j) MECHA TROUBLE
Detection sensor : All of sensors
Cause/Symptom : The unit does not operate correctly by motor or sensor defective.
Countermeasure method : Survey the any sensor defective by using error reset menu.