Oki OKIPAGE 10ex Maintenance Manual page 239

A-9 The printer does not function at all, and the LCD does not display any messages.
• Is fuse F1 open?
• No
CH1 +
• Yes
• No
• Yes
40990901TH Rev.1
• Yes Replace F1.
Is the voltage waveform between Pins 1 and 3 of the connector (CN2) same
as the waveform shown below?
CH1: DC 20V/div. Normal 5ms/div.
• No Replace the transformer T1.
• Has the problem been solved?
• Yes End.
• No Is the voltage output between Pins 2 and 3 of the filter L101 100 VAC?
• No Replace the filter L101.
• Yes Replace the filter L1.
• Has the problem been solved?
• Yes End.
• No Replace the capacitors C1, C2 and C3.
Is the fuse F3 open?
• Yes Replace F3.
Is the voltage output of Pin 17 of the connector (CN3) about 38 VDC?
• No Replace the diode bridge DS1.
Is the voltage output of Pin 11 of the connector (CN3) about 5 VDC?
T
CH1
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