Exposure lamp 12 Exposure lamp stays on 21 Scan not home 22 Scan not home 23 No signal from regulator switch 24 Scan not home 24 Scan not home Copyir.com 25 Scan 28 Lens not home 29 Lens won’t leave home 2A Mirror sensor stays actuated 2B Mirror sensor stays actuated 2C Scanner moving too fast 2D Scanner moving too slowly or not moving 31 Drum thermistor 32 Toner sensor 41 Third cassette lift motor sensor 52 Fuser thermofuse Copyir.com
Fuser thermistor 54 Low temperature at warm up 55 High temperature at warm up 56 Low temperature after warm up 61 Pulse generator 81 Duplex jogger 82 Duplex jogger 91 Counter 93 Main board Copyir.com
