Oki B2200, Maintenance Manual

Page: 61 / 100

Oki Data CONFIDENTIAL
43641601TH Rev.1
61 /
Printer does not operate normally after it is turned on
• Turn off and on the printer.
• After the power light turns on, do the other three lights turn on and off once and does the main motor start
running?
• No Is the AC cord connected properly?
• No Connect it properly.
• Yes Are the cable between the main board and the low-voltage power supply connected properly?
• No Connect the cable properly.
• Yes Is +5 V supplied to the main board (check the voltages at the pins 3 and 2 of the CN18
connector)?
• No Aren’t the +5 V and GND on the main board short-circuited (check the voltages at the
pins 3 and 2 of the CN18 connector)?
• No Replace the low-voltage power supply.
• Yes Replace the board.
• Yes Is the flexible cable of the operator panel Assy. connected to the CN9 connector of the board
and the CN1 connector of the operator panel board properly?
• No Connect the cable properly.
• Yes Replace the Assy. or cable.
• Did this step work?
• No Replace the main board.
• Yes End
• Yes Does the Ready light stay on?
• No Replace the main board.
• Yes Is there a connection error with the status monitor?
• No Take proper corrective action for the problem according to status message/problem tables (see
section 5.5.1 for taking proper corrective action).
• Yes End