The Printer Does Not Work Normally After The Power Is Turned On - Oki OKIPAGE 14e Service Manual

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The printer does not work normally after the power is turned on.

• Turn the power off, then back on.
• Is the Power LED (
• No Is the AC cord being connected properly?
• Yes Is +5 V being applied between Pins 11 and 21 of POWER connector on the main
• Yes Is +12 V being applied between Pins 23 and 24 (GND) of POWER connector?
• Yes Is the flexible cable for the operator panel assy being connected to the PANEL
• Yes Replace the operator panel assy or flexible cable.
• Has the problem been solved?
• Yes End
• Yes
• Yes
• Yes
41605601TH Rev.2
) lamp on?
• No Connect the AC cord properly.
control board?
Pin 21 :
Pin 11 : +5 V
A
• No Is the connection between POWER connector on the main control
board and connector CN3 on the power supply/sensor board being
made properly?
No Correct the connection.
• Yes Go to 1-1.
Pin 23 :
Pin 24 : +12 V
• No Go to
A
connector on the control board and the connector CN1 on the OPP board properly?
• No Connect the flexible cable properly.
• No Replace the main control board.
Is the Ready LED ( ) lamp on?
• No Replace the main control board.
Take the measurement of the following voltage readings at connector CN3 on the
power supply board without main control board:
Voltage between Pins 11 and 16: ... about 5VDC
Voltage between Pins 17 and 16: ... about 30VDC
Voltage between Pins 24 and 16: ... about 12VDC
Replace the power supply board.
0 V
0 V
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