Panasonic Kx Fl521 Plain Paper Laser Multifunction Operating Instructions

For fax advantage assistance, call 1-800-435-7329.71
When a function does not work, check here 
before requesting help!
General
Problem
I cannot make and receive 
calls.
I cannot make calls.
The unit does not work.
The unit does not ring.
The other party complains 
they only hear a fax tone and
cannot talk.
The button
does not function properly.
The receive mode does not
function properly.
During programming, I cannot
enter the code or ID number.
The unit beeps.
The speakerphone is not
working....

For fax advantage assistance, call 1-800-435-7329.72
Operations
Fax – sending
Problem
lThe other party’s fax machine is busy or has run out of
recording paper. Try again.
lThe other party’s machine is not a facsimile. Check with
the other party.
lThe other party’s fax machine rings too many times. Send
the fax manually – dial the number, confirm the fax tone,
then press .
lIf your line has special telephone services such as call
waiting, the service may have been activated during fax
transmission....

73
Operations
Fax – receiving (cont.)
Problem
lThe other party sent a faint document. Ask them to send a
clearer copy of the document.
lSome paper has instructions recommending which side to
print on. Try turning the paper over. 
lYou may have used paper with a cotton and/or fiber content
that is over 20%, such as letterhead or resume paper.
lThe remaining toner is low. Replace the toner cartridge (p. 76).
lWe recommend you replace the drum unit every third time
you replace the toner cartridge 
(p. 76)....

74
Operations
For fax advantage assistance, call 1-800-435-7329.
Answering device
Problem
lPress the remote operation ID correctly and firmly (p. 56).
lThe memory is full. Erase unnecessary messages 
(p. 53, 57).
lThe memory is full of received documents due to a lack of
recording paper or a recording paper jam. Install paper or
clear the jammed paper.
lThe memory is full. Erase unnecessary messages 
(p. 53, 57).
lThe memory is full of received documents due to a lack of
recording paper or a recording...

75
Operations
For fax advantage assistance, call 1-800-435-7329.
If a power failure occurs!
lThe unit will not function.
lFax transmission and reception will be interrupted.
lIf delayed transmission of feature #25 (p. 63) is programmed and the start time has passed
during a power failure, transmission will be attempted soon after power is restored.
lIf fax documents are stored in memory, they will be lost. When power is restored, a power
down report will be printed out stating which contents in memory...

76
Replacement
For fax advantage assistance, call 1-800-435-7329.
nWhen the display shows the following message, replace the toner cartridge.
or
n
We recommend you replace the drum unit every third time you replace the toner cartridge.
To check the drum life and quality, please print the printer test list (p. 84).
Model No. KX-FA76 toner cartridge andModel No. KX-FA77/KX-FA77D drum unit are
available for replacement (p. 8). 
Caution:
lThe drum unit contains a photosensitive drum. Exposing it to light may...

77For fax advantage assistance, call 1-800-435-7329.
Replacement
6
If you replace the drum unit at the same
time, remove the new drum unit from the
protection bag. Remove the protection bar
from the drum unit.
With Panasonic face up on the toner
cartridge, match the red arrows on the
cartridge and the drum unit.
Used toner cartridge
12
Drum unit
Green drum surface
5
Pull up the right edge of the used toner
cartridge (   ). Remove the cartridge from
the drum unit ().
lThe toner may stick to the cartridge...

78
Replacement / Jams
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Recording paper jam!
1
Push the front cover open button then open
the front cover.
2
When the recording paper has jammed
near the drum and toner unit:
Remove the jammed paper by pulling toward
you.
Jammed paper
The display will show the following message.
PAPER JAMMED
Caution:
The fuser unit gets hot. 
Do not touch it.
Front cover
Fuser unit
Front cover
open button
When the recording paper has jammed in the unit
11
Install the drum...

79
Jams
For fax advantage assistance, call 1-800-435-7329.
The display will show the following message.
Remove the recording paper. Straighten and
reinsert it into the recording paper entrance.FAILED PICK UP
3
Close the front cover, until locked, by
pushing down on both sides.
4
Remove the recording paper. 
Straighten and reinsert it into the
recording paper entrance.
Front cover
Recording 
paper 
entrance
Recording 
paper 
entrance
Display
When the recording paper was not fed into the unit
properly
When...

80
Jams
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Document jams - sending!
1
Push the front cover open button then open
the front cover.
Jammed document
Front cover
Middle 
guide
Note:
lDo not pull out the jammed document forcibly before
opening the front cover.
Front cover
Fuser unit
Front cover
open button
Front cover
2
Pull down the middle guide while holding the
front cover.
3
Remove the jammed document carefully.
4
Lift the middle guide firmly.
5
Close the front cover, until locked, by...