The Printer Does Not Work Normally After The Power Is Turned On - Oki OKIPAGE 12i Service Handbook

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

• Turn the power off, then back on.
• Is all black message being displayed by the LCD display?
• 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 +8 V being applied between Pins 15 (GND) and 24 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
• No Connect the AC cord properly.
control board?
Pin 16 :
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
• Yes Go to 1-1.
Pin 15 :
Pin 24 : +8 V
• No Go to
connector on the control board and the connector CN1 on the OLCC board
properly?
• No Connect the flexible cable properly.
• No Replace the main control board.
INITIAL-
Is message being displayed by the LCD display?
IZING
• No Replace the main control board.
ON-LINE
Is message being displayed by the LCD display?
XXX
XXX: PCL, Auto, Adobe PS, HEX DUMP, PPR, FX
• No Take actions according to the LCD status message/problem list (see
Section 6.5.1 for corrective actions).
0 V
Correct the connection.
0 V
A
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