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KX-MB783BR
12 Troubleshooting Guide
12.1. USER RECOVERABLE ERRORS
If the unit detects a problem, one or more of the following messages will appear on the display.
The explanations given in the [ ] are for servicemen only.
DISPLAY MESSAGE
• Polygon motor error.
Refer to CALL SERVICE 1 (P.109).
• Laser beam error. Replace LSU unit.
Refer to CALL SERVICE 2 (P.110).
• Fuser unit cannot heat up. Replace fuser unit.
Refer to CALL SERVICE 3 (P.111).
• Fan motor error. Replace fan motor.
Refer to CALL SERVICE 4 (P.112).
• Print motor error. (only for DC motor)
Refer to CALL SERVICE 5 (P.113).
• Charge unit error
(An error occurred in the Charge unit including High voltage unit. (Also the Charger went wrong.))
Refer to CALL SERVICE 6 (P.114).
• There is something wrong with the carriage sensor.
• There is something wrong with the drum unit. Replace the drum unit and the toner cartridge.
• The document was not fed into the unit properly. Remove the document, then press [STOP] to clear the
message. Re-insert the document. If misfeeding occurs frequently, clean the document feeder rollers and
try again.
• The drum unit is not inserted properly. Re-insert it correctly.
• Recording paper is not installed or the paper input tray has run out of paper. Install paper.
• Recording paper was not fed into the unit properly. Re-insert the recording paper.
• The paper input tray is not installed or is not inserted completely. Insert the paper input tray into the unit.
- "#2": Manual input tray
• Recording paper was not fed into the unit properly. Re-insert the recording paper.
• The rear cover is open. Close it.
• A recording paper jam occurred near the manual input tray. Remove the jammed paper.
• There is no space to store new items in navigator directory. Erase unnecessary items.
• The drum life is near to an end. Replace the drum unit as soon as possible.
• The unit has a document in memory. See the other displayed message instructions to print out the docu-
ment.
• If feature #442 is set to "ALWAYS", check the connection between the computer and the unit.
• Copying has stopped due to a recording paper jam. See the other displayed message instructions to con-
tinue copying.
• The inside of the unit is extremely cold and cannot be operated. Use the unit in a warmer area. While the
unit cannot be operated, the received documents are temporarily stored into the memory, and will be
printed out automatically when the unit warms up.
• When performing memory transmission, the document being stored exceeded the memory capacity of the
unit. Send the entire document manually.
• When making a copy, the document being stored exceeded the memory capacity of the unit. Press [STOP]
to clear the message. Divide the document into sections.
• There is something wrong with the unit's modem.
• The other party's fax machine is busy or has run out of recording paper. Try again.
CAUSE AND REMEDY
94
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Table of Contents
Troubleshooting
