KX-MB1500RUB, KX-MB1500RUD, KX-MB1500RUW, KX-MB1520RUB, KX-MB1520RUW, KX-MB1530RUB - Panasonic Fax Service Manual (repair manual). Page 115

115

KX-MB1500RU/KX-MB1520RU/KX-MB1530RU

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

CAUSE AND REMEDY

• Polygon motor error.

Refer to CALL SERVICE 1 (P.131).

• Laser beam error. Replace LSU unit.

Refer to CALL SERVICE 2 (P.132).

• Fuser unit cannot heat up. Replace fuser unit.

Refer to CALL SERVICE 3 (P.133).

• Fan motor error. Replace fan motor.

Refer to CALL SERVICE 4 (P.134).

• First use sensor problem.

Refer to CALL SERVICE 17 (P.135).

• The toner cartridge is not inserted properly. Re-insert it correctly.
• There is something wrong with the toner cartridge. Replace the toner cartridge.

• The toner cartridge is not inserted properly. Re-insert it correctly.

• The document was not fed into the unit properly. Remove the document, and then press [Stop] to clear the

message. Re-insert the document. If misfeeding occurs frequently, clean the document feeder rollers and
try again.

• The ADF top cover is not fully closed. Push firmly on the front and rear edges of the ADF top cover, and

then feed the document again.

• 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.
• The loaded recording paper is not the appropriate size. Load recording paper of the size that is shown on

the display.

• If this message is often displayed, also change the recording paper size setting (feature #380).
• The recording paper size setting (feature #380) is set to “16K”, so received faxes have been stored into

memory. Change the recording paper size setting and load the appropriate recording paper.

• "#1”: Check the paper input tray. The displayed paper size depends on the recording paper size setting

(feature #380).

• "#2”: Check the manual input tray. The displayed paper size depends on the recording paper size setting

(feature #381).

Refer to Program Mode Table (P.119).

• Recording paper was not fed into the unit properly. Load the paper again.

• The unit is cooling down the fuser unit. Wait for a while.

• The drum inside the toner cartridge is reaching the end of its life. Replace the toner cartridge as soon as

possible.

• The drum inside the toner cartridge has finished its service life. Replace the toner cartridge immediately.

• As a temporary measure, you can press [Start] to continue printing.

However, the printing quality may be poor, so we do not recommend continuous use of the finished car-
tridge.

• The unit has a document in memory. See the other displayed message instructions to print out the docu-

ment. 

• If the PC fax setting (feature #442) is set to “ALWAYS”,

- check the connection between the computer and the unit.
- check that the computer is turned ON.
Refer to Program Mode Table (P.119) .

• The front cover is open. Close it.

• Copying has stopped due to some existing problem (Example: a lack of recording paper or a recording

paper jam). See the other displayed message instructions to continue copying.