Ricoh G035 Service Manual page 282

SERVICE CALL CONDITIONS
SC510-2: LCT Tray Malfunction 2
Definition [C]
1) During paper lifting, the LCT lift sensor does not activate for more than 1.5
seconds after the paper end sensor turned on. If this condition occurs four
times consecutively, this SC will be generated.
2) During paper lifting, after the top of the paper reaches the upper limit
position, the paper is lowered until the LCT lift sensor is de-activated. At this
time, the LCT lift sensor does not de-activate for more than 5 seconds.
Possible Causes
• LCT lift motor defective
• Pick-up solenoid defective
• Poor motor connector connection
• Poor pick-up solenoid connector connection
• Paper end sensor defective
• LCT lift sensor defective
• LCT lower limit sensor defective
SC541: Fusing Thermistor Open
Definition [A]
The fusing temperature detected by the thermistor was below 7°C for 16
seconds.
Possible Causes
• Fusing thermistor defective or out of position
• Poor thermistor terminal connection
SC542: Fusing Temperature Warming-up Error
Definition [A]
The fusing temperature does not reach the fusing standby temperature within
145 seconds after the main power switch is turned on.
Possible Causes
• Fusing thermistor defective or out of position
• Fusing lamp open
• Fusing thermofuse open
• BICU defective
• Power supply board defective
• Poor fusing unit connection
G035 7-12 SM