Oki PACEMARK 4410 Service Manual page 142

8 After initialization, Alarm Lamp goes on and "ERROR (in the upper row), RIBBON JAM (in the lower)"
is displayed on LCD.
• Ribbon fed during initialization?
Yes No
• The cables to PRA-Board CN1 and CN9 connected properly?
Yes
• The cable to PMA-Board CN2 connected properly?
Yes
• Check the wave form during ribbon feeding at PRA-Board. No problem?
No
• Replace Ribbon Motor. Recovered?
No
• Replace Ribbon Gear Assy. Recovered?
No
• Replace PRA-Board.
• XXX of Ink Ribbon Cartridge damaged?
No
• Connect the cables properly.
No
• Connect the cable properly.
OVDV: Examine between CN9-6 pin and SH6.
ø1: Examine between CN9-4 pin and SH6.
ø2: Examine between CN9-3 pin and SH6.
ø3: Examine between CN9-2 pin and SH6.
ø4: Examine between CN9-1 pin and SH6.
Yes
• Replace PMA-Board. Recovered?
No Yes
• End
• Replace the junction cable.
Yes
• End
Yes
• End
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