Panasonic Kx Fb421 Flatbed Plain Paper Fax Operating Instructions

							Installation
11For fax advantage assistance, call 1-800-435-7329.
Ink film – installing / replacing 
Install the included ink film or replace the used ink film with a new one.
Replacement film Model No. KX-FA94: prints about 400 letter-sized pages.
See page 6 for accessory information.
1For replacement only:
If ejected paper is stacked on the paper 
stacker, remove it.
2Press down the printer cover open button 
(1). Open the printer cover (2).
LFor first time installation of the supplied 
ink film, skip to step 5.
3For replacement only:
Pull out the blue gear and remove the used 
ink film. Remove the used core.
4For replacement only:
Remove the stoppers and tags from the 
new ink film.
Paper stacker
Ejected paper
Printer cover
Printer cover
open button1
2
Used core
Used
ink film
Blue
gear
Tags
New ink film
Stopper Stopper 
						

							Installation
12For fax advantage assistance, call 1-800-435-7329.
5Insert the gear of blue core of the front ink 
film roll into the left slot of the unit (1).
Insert the rear ink film roll (2).
6Turn the gear of blue core in the direction of 
the arrow.LMake sure that the ink film is wrapped 
around the blue core at least once.
7Close the printer cover by pushing down on 
both sides until locked.
Note:
LThe ink film is safe to touch, and will not rub 
off on your hands like carbon paper.
Rear ink film roll
Gear of blue core
Left 
slot
Front ink 
film roll
1
2
Gear of blue core
Ink film
Tight 1 turn
Slack
Reverse Correct
Blue core
The ink film is not wrapped 
around the blue core.
Incorrect
Printer cover 
						

							Installation
13For fax advantage assistance, call 1-800-435-7329.
Paper stacker and paper tray 
1
Line up the slots in the paper stacker with 
the pegs on the bottom of the unit, then 
slide until locked.
LThe paper stacker can hold up to 
approx. 100 sheets of printed paper. 
Remove the printed paper before the 
paper stacker becomes full.
2Insert the paper tray into the slot on the 
back of the unit.Note:
LDo not place the unit in an area where the 
paper tray may be obstructed (i.e. by a wall 
etc.).
LRecording paper will be ejected from the front 
of the unit. Do not place anything in front of 
the unit.
To use A4 size paper
Insert the bottom tab on the A4 paper guide into 
the lower slot. Press the guide into the upper 
slot.
LChange the recording paper size (feature 
#16 on page 60).
Pegs
Paper stacker
Slots
Paper tray
Slot
A4 paper 
guide Upper slot
Lower slotBottom tab
Paper tray 
						

							Installation
14For fax advantage assistance, call 1-800-435-7329.
Recording paper 
Letter, legal or A4 size recording paper can be loaded. The unit can hold up to 100 sheets of 75 g/m2 (20 
lb.) paper. You may use 60 g/m2 to 90 g/m2 (16 lb. to 24 lb.) paper. See the note for paper specifications 
on page 84. For superior results, we recommend Hammermill® Jet Print paper.
1Fan the stack of paper to prevent a paper 
jam.
2Pull the tension plate forward and hold 
open while inserting the paper.
LThe paper should not be over the tab.
LIf the paper is not inserted correctly, 
readjust the paper, or the paper may 
jam.
To add paper
1.Pull the tension plate forward and hold open 
while removing all of the installed paper.
2.Add paper to the stack of paper you removed 
and straighten.
3.Fan the stack of paper.
4.Pull the tension plate forward and hold open 
while inserting the paper.
Tension
plate
Tab
Side to be printed
face down.
Stack of 
paper
CorrectIncorrect
Tension plate 
						

							Connections and Setup
15For fax advantage assistance, call 1-800-435-7329.
Connections and Setup
Popular ways to use the fax machine
You may already have other devices such as telephone or telephone answering machine besides the fax 
machine. You may use them in the same room or different room. Depending on your situation, select the 
way you prefer to use your fax machine.
–Case 1: Receives faxes and phone calls (on answering machine) on single line (one phone number) 
(page 16)
–Case 2: One line used for fax only (page 18)
–Case 3: Fax machine and telephone share a single line (one phone number); Fax seldom used (page 
20)
–Case 4: Receives faxes and phone calls on single line, but different numbers (Distinctive Ring) (page 
22)
–Case 5: Receives faxes and voice mail on same line, but different numbers (Distinctive Ring) (page 
24)
General information for 
connectionsNote:
LThe warranty does not cover damage due to 
power line surges or lightning. For additional 
equipment protection, we recommend the 
use of a surge protector. The following types 
are available: TELESPIKE BLOK MODEL 
TSB (TRIPPE MFG. CO.), SPIKE BLOK 
MODEL SK6-0 (TRIPPE MFG. CO.), SUPER 
MAX (PANAMAX) or MP1 (ITW LINX).
LTo avoid malfunction, do not position fax 
machine near appliances such as TVs or 
speakers which generate an intense 
magnetic field.
LIf any other device is connected on the same 
line, this unit may disturb the network 
condition of the device.
LWhen the power is turned on and the display 
shows the following, unlock the shipping lock 
(page 10).
CARRIAGE ERROR
b
RELEASE
SHIPPING LOCK
Connect to LINE.
Handset cord
Telephone 
line cord
To a single 
telephone 
line jack 
(RJ11C)
To a power outlet
(120 V, 60 Hz)
Power cord(             )Line surge
protector
(               )Power surge
protector
Longer, 
uncoiled end 
						

							Connections and Setup
16For fax advantage assistance, call 1-800-435-7329.
Case 1: Receives faxes and phone calls (on 
answering machine) on single line (one phone 
number)
Your situation
You wish to use the fax machine and your 
answering machine in the same room.
Telephone wiring image in 
house or officeConnections
Fax
machineAnswering
machineAnswering machine
(Not included)
Telephone 
line cord
To a single 
telephone line
jack (RJ11C)
To a power 
outlet
(120 V, 60 Hz)
Power cord
Remove the stopper.  
						

							Connections and Setup
17For fax advantage assistance, call 1-800-435-7329.
How to set up 
1Set the fax machine to FAX ONLY mode by 
pressing {
{{ {
RECEIVE MODE}
}} } until the 
following is displayed.
LThe display will show the number of 
rings before the fax machine answers a 
call in FAX ONLY mode.
2Press {
{{ {+
++ +}
}} } or {
{{ {-
-- -}
}} } to change the ring 
setting to 5 and press {
{{ {
SET}
}} }.
3Turn on your answering machine.
4Adjust the ring setting of the answering 
machine to less than 4.
LThis will allow the answering machine to 
answer the call first.
Note:
LIf you wish to answer calls manually, set the 
fax machine to TEL mode by pressing 
{
{{ {
RECEIVE MODE}
}} }.
How to receive calls
At first your answering machine will pick up the 
call.
Helpful hint:
LIf the call is a phone call, the answering 
machine will record voice message 
automatically.
LIf a fax calling tone is detected, the answering 
machine will be disconnected and the call will 
be switched to the fax machine. The fax 
machine will receive a fax automatically.
If the answering machine is turned off
You can receive a fax with the fax machine and 
an extension telephone, if connected.
With the fax machine
1.When the fax machine rings, lift the handset 
of the fax machine.
2.When document reception is required, a fax 
calling tone (slow beep) is heard, or no sound 
is heard, press {
{{ {
FAX/START}
}} }.
LThe fax machine will start reception.
With an extension telephone
1.When the extension telephone rings, lift the 
handset of the extension telephone.
2.When document reception is required, a fax 
calling tone (slow beep) is heard, or no sound 
is heard, press {
{{ {*
** *}
}} }{
{{ {
9}
}} } (pre-selected fax 
activation code) firmly.
3.Replace the handset.
LThe fax machine will start reception.
Note:
LYou can change the fax activation code in 
feature #41 (page 62).
{SET}
{FAX/START}
{RECEIVE MODE} {+} {-}
FAX
TEL
FAX ONLY MODE
3 RINGS
FAX
TEL
TEL MODE 
						

							Connections and Setup
18For fax advantage assistance, call 1-800-435-7329.
Case 2: One line used for fax only
Your situation
You wish to use the fax machine only for fax 
reception/transmission.
Telephone wiring image in 
house or officeConnections
Fax machine
Telephone 
line cord
To a single 
telephone line
jack (RJ11C)
To a power 
outlet
(120 V, 60 Hz) Power cord
Connect to LINE. 
						

							Connections and Setup
19For fax advantage assistance, call 1-800-435-7329.
How to set up
1Set the fax machine to FAX ONLY mode by 
pressing {
{{ {
RECEIVE MODE}
}} } until the 
following is displayed.
LThe display will show the number of 
rings before the fax machine answers a 
call in FAX ONLY mode.
2Press {
{{ {+
++ +}
}} } or {
{{ {-
-- -}
}} } to change the ring 
setting to 2 and press {
{{ {
SET}
}} }.
How to receive calls
Just leave it. When the other party sends a fax, 
the fax machine will receive it automatically.
{SET}
{RECEIVE MODE} {+} {-}
FAX
TEL
FAX ONLY MODE
3 RINGS 
						

							Connections and Setup
20For fax advantage assistance, call 1-800-435-7329.
Case 3: Fax machine and telephone share a single 
line (one phone number); Fax seldom used
Your situation
You wish to use the fax machine and an 
extension telephone in a different room. Most 
calls are phone calls and the fax machine is 
mostly used to send documents.
Telephone wiring image in 
house or officeConnections
Room
Extension 
telephoneFax machineRoom
Telephone 
line cord
To a single 
telephone line
jack (RJ11C)
To a power 
outlet
(120 V, 60 Hz) Power cord
Connect to LINE.