Specifications

3.9 SERVICE CALL CONDITIONS
Service Code 11: Exposure Lamp Error
The feedback signal becomes higher than 4.2 volts (r.m.s.) for 1.0
second when the exposure lamp is on, or it becomes higher than 1.0
volt (r.m.s) for 1.0 second when the exposure lamp is off.
Service Code 12: Exposure Lamp Error
The feedback signal falls below 0.5 volt (r.m.s.) for 1.0 second when
the exposure lamp is on, or the exposure lamp stays on for longer than
10 seconds.
Service Code 13: Zero Cross Signal Error
The CPU does not receive the zero cross signal within 0.56 second.
Service Code 21: Scanner Home Position Error
The scanner home position sensor remains off (LOW) 8 seconds after
the main switch is turned on.
Service Code 22: Scanner Home Position Error
The scanner home position sensor is still on (HIGH) 1.0 second after
the scanner starts.
Service Code 28: Lens Home Position Error
The lens home position sensor remains off (LOW) 3.5 seconds after the
lens moves to the home position.
Service Code 29: Lens Home Position Error
The lens home position sensor is still on (HIGH) 3.5 seconds after the
lens leaves the home position.
Service Code 2A: 4th/5th Mirror Home Position Error
The 4th/5th mirror home position sensor is still on (HIGH) 2.5 seconds
after the 4th/5th mirror assembly moves to the home position.
Service Code 2B: 4th/5th Mirror Home Position Error
The 4th/5th mirror home position sensor is still off (LOW) 2.5 seconds
after the 4th/5th mirror assembly leaves the home position.
1 December 1990
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