Oki OKIPAGE 10ex Troubleshooting Manual page 55

D-1 Paper input jams occur frequently.
• Has the fuse F1 opened?
• Yes
D-2 Paper out occurs even if the papers are in a cassette.
• Is paper sensor (SEN1) operating normally?
• Yes
D-3 High capacity Second Paper Feeder cover open errors occur even if the cover is closed.
• Is cover open sensor (SEN2) operating normally?
• Yes
40990901TH Rev.1
• No Is the high voltage (around 38V being sent to Pin 2 of D1 and Pin 2
of D2?
• No Replace D1 or D2.
• Yes Is the signal level at Pin 22 of IC2 at low level?
• No Replace IC2.
• Yes Are the signals at Pins 20 and 21 of IC2 being altered?
• No Replace IC2.
• Yes Is the signal level at Pin 2 of TR2 around 5V?
• No Replace TR2.
• Yes Are the signal levels at Pin 20 and 27 of IC3 around 3.4V?
• No Replace R6 and R17.
• Yes Are the signals at Pins 1 to 4 of connector (MOTOR) being altered?
• No Replace IC3.
• Yes Replace motor.
Replace the Fuse F1.
• No Replace the paper sensor.
Replace IC2.
• No Replace SEN2.
Replace IC2.
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