Care and maintenance of your laser printer 5-29 – Panasonic KX-P4440 User Manual
Page 123
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Error Messages
Error
Code
Possible Cause
Recovery
NO DRUM
U24
Drum unit is not installed.
Install drum unit.
CHNG DEV
U26
Developer unit has been installed
for 90,000 print cycles.
(Printing is possible.)
Install new developer unit and turn
the power on while pressing the ON
LINE key. (Refer to page 5-8.)
CHNG DRUM
U27
Drum unit reaches time for
replacement.
Install new drum unit and turn the
power on while pressing the MENU
key. (Refer to page 5-5.)
The printer will enable
approximately 50 pages print-out
after the message is displayed. And
then the printer will automatically
stop printing.
DOOR OPEN
изо
The clamshell is open.
Close the clamshell.
FONT UNAVAIL
U32
Font card is not installed when
requested.
Install font card.
NO FONT CARD
U33
Font card is removed in ON LINE
mode.
Power off then on.
RESEND JOB
U34
Communication error is detected in
the RS-232C interface during
receive.
Press ON LINE key twice.
(A little time may be required for
recovery.)
BUFFER FULL
U35
Receive buffer overflow.
Power off then on.
RAM OVERFLOW
U36
Page overflow,- image overflow or
download overflow has occurred.
Press ON LINE key.
PAGE FORMAT
U37
. Overrun has occurred.
Press ON LINE key.
Set the page size (LETTER,
LEGAL or A4) through the front
panel keys depending on the
installed paper, if a expansion
SIMM over 1 Mbyte is installed.
RE-DO FORMAT
U38
Format designation from format
menu is not correct.
Reset format.
Table 5.3 Error messages
Care and Maintenance of Your Laser Printer 5-29