Oki OKIPAGE 10ex Troubleshooting Manual page 49

B-17 Paper input jam.
• Is the hopping motor rotating normally?
• No
40990901TH Rev.1
• No Are the waveforms of RMPH1-P and RMPH2-P signals as shown in
Section 3.9 (2) being sent to Pins 26 and 17 of IC8 (MTD2005F)
respectively?
• No Failure of IC1 (MHM2029-004K).
• Yes When the motor is rotating, does the output to Pin 20 and Pin 23 of
IC8 (MTD2005F) go high?
• No Failure of IC1 (MHM2029-004K).
• Yes Replace IC10 (NJM2901 or PC339G2).
• Yes Is the voltage at Pin 1 of IC8 (MTD2005F) +38V?
• No Is the voltage at Pin 2 of FU1 +38V?
• No
• Yes Replace IC8 (MTD2005F).
Failure of the power supply board or mechanical parts.
Replace FU1 (fuse).
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