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.
REDIAL/PAUSE
lThe power cord or telephone line cord is not connected.
Check the connections (p. 16).
lIf you used a splitter to connect the unit, remove the
splitter and connect the unit to the wall jack directly. If the
unit operates properly, check the splitter.
lThe dialing mode setting is wrong. Change the setting of
feature #13 (p. 62).
lDisconnect the unit from the telephone line and connect
the line to a known working telephone. If the working
telephone operates properly, contact our service personnel
to have the unit repaired. If the working telephone does not
operate properly, contact your telephone company.
lThe ringer volume is set to off. Adjust it (p. 21).
lThe TAD ring count of feature #06 is set to “RINGER OFF”.
Change to another ring count (p. 61).
lFAX ONLYmode is set. Tell the other party the number is
only used for faxes.
lChange to TAD/FAX mode (p. 50), TELmode (p. 42) or
TEL/FAX mode (p. 44).
lIf this button is pressed during dialing, a pause will be
inserted. If pressed immediately after a dial tone is
obtained, the last number dialed will be redialed.
lADistinctive Ring pattern of feature #31 is set (p. 64).
lTEL/FAX mode is set (p. 44, 45).
lAll or part of the numbers are the same. Change the code
or ID number of features #11 (p. 62) and #41 (p. 65).
lRecording paper has run out. Press to stop the
beeps and install paper.
lUse the speakerphone in a quiet room.
lIf you have difficulty hearing the other party, adjust the
volume using or .
lIf you and the other party speak at the same time, parts of
your conversation will be cut off. Speak alternately.
STOP
Cause & solution
Operations 
						

							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. Connect the unit to a line that does not have
these services.
lThe extension telephone on the same line is off the hook.
Hang up the extension telephone and try again.
lTry copying the document. If the copied image is clear,
there may be something wrong with the other party’s
machine.
lThe glass or rollers are dirty. Clean them (p. 82).
lUse the overseas transmission mode of feature #23 (p. 63).
lAdd two pauses at the end of the telephone number or dial
manually.
FAX START
Cause & solution
I cannot send documents.
The other party complains that
letters on their received
document are distorted or not
clear.
The other party complains that
dirty patterns or black lines
appear on their received
document.
I cannot make an international 
fax call.
I cannot receive documents
automatically.
The display shows the
following message, but faxes
are not received.
Ablank sheet is ejected.
Awhite line or a dirty pattern or
appears on your recording
paper. CONNECTING.....
Fax – receiving
Problem
lThe receive mode is set to TELmode. Set to TAD/FAX
mode (p. 50), FAX ONLYmode (p. 43) or TEL/FAX mode
(p. 44).
lThe time taken to answer the call is too long. Decrease the
number of rings of features #06 (p. 61), #30 (p. 64) and #78
(p. 67).
lThe greeting message is too long. Shorten the message 
(p. 51).
lThe incoming call is not a fax. Change the receive mode to
TELmode (p. 42) and TAD/FAX mode (p. 50).
lThe other party placed the document in their fax machine
the wrong way. Check with the other party.
lThe glass or rollers are dirty. Clean them (p. 82).
Cause & solution
(continued) 
						

							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). To check the drum
life and quality, please print the printer test list (p. 84).
lThe toner save mode of feature #79 is on (p. 67).
Cause & solution
The printing quality is poor.
For fax advantage assistance, call 1-800-435-7329.
I cannot select the desired 
receive mode.
The other party complains that
they cannot send a document.
Receive mode
Problem
lIf you want to set TAD/FAX, FAX ONLY
or TEL/FAX mode:
—select the desired mode using feature
#77 (p. 67), and
—press to turn on
the AUTO ANSWER light.
lIf you want to set TELmode:
—press to turn off
the AUTO ANSWER light.
lThe unit is not in AUTO ANSWER mode.
Press to turn on the
AUTO ANSWER light.
AUTO ANSWER
AUTO ANSWER
AUTO ANSWER
Cause & solution
ON
OFF
ON
Copying
Problem
lYou cannot make a copy during programming. Make the
copy after programming or stop programming.
lThe glass or rollers are dirty. Clean them (p. 82).
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). To check the drum
life and quality, please print the printer test list (p. 84).
lThe toner save mode of feature #79 is on (p. 67).
Cause & solution
The unit does not make a copy.
Ablack line, a white line or a
dirty pattern appears on the
copied document.
The printing quality is poor.
ABC
OriginalCopy 
						

							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 paper jam. Install paper or
clear the jammed paper.
Cause & solution
I cannot retrieve recorded
messages from a remote
location.
The other party complains that
the following greeting message
is played and they cannot leave
a voice message.
The other party complains that
the following greeting message
is played and they cannot send
a document.
The other party complains that
the following greeting message
is played and they cannot leave
a voice message or send a
document.
Hello! We are unable to
answer right now.
To send a fax, please start
transmission.
To leave a voice message,
please try again later. 
Thank you.
Hello! We are unable to
answer right now.
To send a fax, please try
again later.
To leave a voice message,
please speak after the beep.
Thank you.
Hello! We are unable to
answer right now.
Please try again later. 
Thank you. 
						

							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 have been erased.
Sample of a power down report
NO.
01MODE
RCVPAGES
01MEMORY RECEIVE POWER DOWN AT:Jan. 05 2000 04:30AM
YOUR LOGO    :
YOUR FAX NO. : RESTARTED  AT:Jan. 05 2000 04:31AM
FUNCTION
OTHER FACSIMILE
>
CONTENTS HAVE BEEN CLEARED DUE TO POWER DOWN.
FOR ADDITIONAL INFORMATION, PLEASE SEE THE JOURNAL REPORT.
POWER DOWN REPORT 
						

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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 damage the drum.
Once you have opened the protection bag:
—Do not expose the drum unit to light for more than 5 minutes.
—Do not touch or scratch the green drum surface.
—Do not place the drum unit near dust or dirt, or in a high humidity area.
—Do not expose the drum unit to direct sunlight.
lDo not unplug the fax machine to prevent loss of fax documents in memory.
lDo not pour any toner into the toner cartridge.TONER EMPTY
TONER LOW
Replacing the toner cartridge and the drum unit!
Front cover
Fuser unit
Front cover
open button2
Push the front cover open button then
open the front cover.
Caution:
The fuser unit gets hot. 
Do not touch it.
3
Tap on the used toner cartridge several
times to allow the remaining toner to fall
into  the drum unit. Remove the drum and
toner unit by holding the two tabs.
lIf you replace the toner cartridge and the
drum unit at the same time, skip to step 6.
Drum and 
toner unit
4
Turn the two levers on the used toner
cartridge firmly.
Levers
Used toner cartridgeLevers
1
Remove the new toner cartridge from the
protection bag. Peel off the seal from the
toner cartridge.
New toner cartridge
Seal 
						

							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 and
the drum unit. Be careful in handling.
See page 4 for details.
lDo not drop the toner on the green drum
surface.
lPut the used toner cartridge into the
protection bag.
2
7
Slide the tab of the toner cartridge into
the slot of the drum unit.
Tab
Slot
8a
Firmly press down on the right side of the
toner cartridge to snap into position and...
8b
turn the two levers on the toner cartridge
with firm pressure.
Levers
9
The toner cartridge is installed when the
triangles match.
Triangles
10
Tap on the toner cartridge several times
to allow the toner to fall into the drum unit.
Grab the tabs, and shake the drum and
toner unit horizontally several times.
TabsToner cartridge
Protection bar
New drum unit
New toner 
cartridge Drum unit Hold here.
Red 
arrows
1 
						

							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 and toner unit by holding
the tabs.
lIf the lower glass is dirty, 
clean it with a soft dry 
cloth.
Drum and toner unit
12
Close the front cover, until locked, by
pushing down on both sides.
Waste disposal method
lWaste material may be dumped or incinerated under
conditions which meet all federal, state and local
environmental regulations.
Front cover
Lower glass 
						

							79
Jams
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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 the recording paper has jammed
near the recording paper exit:
Remove the jammed paper by pulling it
toward you.
Jammed paper 
						

							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
pushing down on both sides.
Caution:
The fuser unit gets hot. 
Do not touch it.