Panasonic KX MB773 User Manual

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11 Help
11.1 Error messages – Reports (KX-MB773/KX-MB783 only)
If a problem occurs during fax transmission or reception, one of the following messages will be printed on the sending 
and journal reports (page 43).
MessageCodeCause & Solution
COMMUNICATION ERROR40-42
46-72
FFLA transmission or reception error occurred. Try 
again or check with the other party.
43
44LA line problem occurred. Connect the telephone line 
cord to a different jack and try again.
LAn overseas transmission error...

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11.2 Error messages – Display
If the unit detects a problem, one or more of the following messages will appear on the display.
DisplayCause & Solution
“CALL SERVICE”LThere is something wrong with the unit. Contact our service personnel.
“CARRIAGE ERROR”LThere is something wrong with the carriage sensor. Contact our service 
personnel.
“CHANGE DRUM”LThere is something wrong with the drum unit. Replace the drum unit and the 
toner cartridge.
“CHECK DOCUMENT”LThe document was not fed into the...

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“NO FAX REPLY”LThe other party’s fax machine is busy or has run out of recording paper. Try 
again.
“OUT OF PAPER INPUT TRAY 
#2”LRecording paper is not installed in the manual input tray. Install paper (page 
32).
“PAPER JAMMED”
“OPEN TOP COVER”LA recording paper jam occurred. Remove the jammed paper (page 82).
“PC FAIL OR BUSY”LThe cable or the computer power cord is not connected correctly. Check the 
connections (page 21, 29).
LThe software is not running on the computer. Restart the...

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Troublesh ooting
11.3 When a function does not work
11.3.1 General
ProblemCause & Solution
The unit does not work.LCheck the connections (page 21, 32).
The output tray becomes full 
quickly or the recording 
paper does not stack properly 
on the output tray.LHigh humidity may cause the recording paper to curl. Try turning the paper 
over and re-inserting it. If the curl on the paper is heavy, please remove it 
from the output tray. If you still have this problem, contact our service...

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11.3.2 Printing problems
11.3.3 Scanner
I cannot find the unit in the 
[Target Device] or [Device 
Select] dialogue box when 
operating the following 
functions.
–Scanning
–Remote Control
–PC FAX (KX-MB773/KX-
MB783 only)
–Device MonitorLThe printer driver has not been installed. Install it on your computer (page 
28).
ProblemCause & Solution
The printing quality is poor.LSome paper has instructions recommending which side to print on. Try 
turning the recording paper over.
LYou may have used...

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11.3.4 Copier
11.3.5 Fax (KX-MB773/KX-MB783 only)
Even after clicking [Cancel], 
scanning continues.LPlease wait. It may take a while for the cancel request to be accepted.
The name of the desired 
computer will not be 
displayed on the unit when 
scanning documents from 
the unit (KX-MB783, LAN 
connection only).LThe printer driver has not been installed. Install it on your computer (page 
28).
LThe PC name list up feature has been set to [Off]. Set to [On] in the 
[Settings] (page 30).
LThe...

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The other party complains 
about the quality of their 
received documents.LTry copying the document. If the copied image is clear, there may be 
something wrong with the other party’s machine.
If the copied image is not clear, too dark, black and white lines or smudges 
appear, refer to “11.3.2 Printing problems”, page 75.
LThe original document is too dark or too light. Change the contrast setting 
by pressing {CONTRAST} repeatedly, and try again.
The other party complains 
that received...

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I cannot hear a dial tone.LThe telephone line cord is connected to the [EXT] jack on the unit. Connect 
to the [LINE] jack (page 21).
LIf you use a splitter/coupler to connect the unit, remove the splitter/coupler 
and connect the unit to the wall jack directly. If the unit operates properly, 
check the splitter/coupler.
LDisconnect the unit from the telephone line and connect a known working 
telephone. If the working telephone operates properly, contact our service 
personnel to have the...

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11.3.6 Network (KX-MB783 only)
ProblemCause & Solution
I cannot operate the 
following functions.
–PC printing
–Scanning
–Remote Control
–PC FAX
–Device MonitorLConfirm the LED via the LAN port of the main board. If the LED is glowing or 
blinking red, the network access is working correctly.
If the LED is not glowing or blinking, confirm the LAN cable (category 5 
straight cable) is connected to the LAN port of the main board correctly.
LIf the LED is blinking and you cannot perform the...

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11.3.7 Using an answering machine (KX-MB773/KX-MB783 only)
11.3.8 If a power failure occurs
LThe unit will not function.
LIf any documents are stored in the memory (i.e. during copy, PC printing, fax transmission or fax reception), they 
will be lost.
KX-MB773/KX-MB783 only:
LThe unit is not designed for making emergency telephone calls when the power fails. Alternative arrangements 
should be made for access to emergency services.
LFax transmission and reception will be interrupted....