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Ricoh FT 4015 - Page 216

Ricoh FT 4015
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CODE #29 — LENS HOME POSITION ERROR 2
- Definition -
The lens home position sensor’s output remains HIGH (actuated) for 10
seconds after the unit leaves the home position.
- Possible Causes -
Defective lens home position sensor
Defective lens drive motor
Defective main control board
Defective lens drive mechanism
CODE #40 — OPTICS THERMISTOR ERROR
-Definition-
The optics thermistor is open.
- Possible Cause -
Defective optics thermistor
Defective main control board
CN121 on the main control board is not correctly connected.
CODE #42 — HIGH VOLTAGE LEAKAGE
- Definition -
The high voltage supply board detects the leakage and sends the leak
signal to the main control board for more than 1 second.
- Possible Causes -
Transfer charge unit
High voltage supply board
Main control board (CN102-1)
SERVICE CALL CONDITIONS 20 December 1996
7-26

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