Panasonic Kx Fl421 Operating Instruction Manual

Please read these operating instructions 
before using the unit and save for future 
reference.
This unit is compatible with Caller ID. 
Subscription to the appropriate service 
through your service provider/telephone 
company is required.
Operating Instructions 
Compact Laser Fax
Model No. KX-FL421
For hearing or speech impaired TTY users, TTY: 1-877-833-8855
For support: 
(for customers in the U.S.A. or 
Puerto Rico)
— VISIT  
www.panasonic.com/help
— E-MAIL  www.panasonic.com/contactinfo
Please...

2
Thank you for purchasing a Panasonic fax machine.
Things you should keep a record of
Attach your sales receipt here.
For your future reference
Caution:
LThis product contains a CR Coin Cell Lithium Battery which contains Perchlorate Material - special handling may 
apply. See www.dtsc.ca.gov/hazardouswaste/perchlorate
LThe Telephone Consumer Protection Act of 1991 makes it unlawful for any person to use a computer or other 
electronic device, including fax machines, to send any message unless such...

Important Information
3
For assistance, please visit http://www.panasonic.com/help
Impor tant Information 1For assistance, please visit http://www.panasonic.com/help
Impor tant safety instructions
For your safety
To prevent severe injury and loss of life/property, read 
this section carefully before using the unit to ensure 
proper and safe operation of your unit.
LThe following symbols are used to classify and 
describe the level of hazard and injury caused 
when the denotation is disregarded and...

Important Information
4
For assistance, please visit http://www.panasonic.com/help Operating safeguardsMake sure that the unit is installed in a well 
ventilated room so as not to increase 
density of ozone in the air. Since ozone is 
heavier than air, it is recommended that air 
at floor level be ventilated.
Unplug this unit from power outlets before 
cleaning. Do not use liquid or aerosol 
cleaners.
Do not cover slots and openings on the unit. 
They are provided for ventilation and 
protection against...

Important Information
5
For assistance, please visit http://www.panasonic.com/help Installation and relocation
Laser radiationLED light
Fuser unit
Note:
LThe area near the recording paper exit (1) also gets 
warm. This is normal.
Toner cartridge
Be careful of the following when you handle the toner 
cartridge: After moving the unit from cold areas to 
warmer areas, wait approximately 30 
minutes before connecting the unit to allow 
the unit to adjust to the ambient 
temperature. If the unit is connected...

Important Information
6
For assistance, please visit http://www.panasonic.com/help
Important safety instructions
When using this unit, basic safety precautions should 
always be followed to reduce the risk of fire, electric 
shock, or personal injury.
1. Do not use this unit near water, for example near a 
bathtub, wash bowl, kitchen sink, etc.
2. During thunderstorms, avoid using telephones 
except cordless types. There may be a remote risk of 
an electric shock from lightning.
3. Do not use this unit...

Important Information
7
For assistance, please visit http://www.panasonic.com/help
Illegal copies
LIt is unlawful to make copies of certain 
documents.
Copying certain documents may be illegal in your 
country. Penalties of fines and/or imprisonment may 
be imposed on those found guilty. The following are 
examples of items that may be illegal to copy in your 
country.
– Currency
– Bank notes and checks
– Bank and government bonds and securities
– Passports and identification cards
– Copyright material...

Table of Contents
8
1.  Table of Contents1. Introduction and Installation
Accessories
1.1 Supplied accessories ..................................10
1.2 Accessory information .................................10
Finding the Controls
1.3 Description of buttons..................................11
1.4 Overview .....................................................12
Installation
1.5 Toner cartridge and drum unit .....................13
1.6 Paper tray ....................................................15
1.7...

Table of Contents
9
12.Index
12.1 Index ...........................................................  70
FL421-PNQX3022ZA-OI-en.book  Page 9  Thursday, July 29, 2010  9:35 AM 

1. Introduction and Installation
10
For assistance, please visit http://www.panasonic.com/help
1 Introduction and Installation 1For assistance, please visit http://www.panasonic.com/help
Accessories
1.1 Supplied accessories
*1 Part numbers are subject to change without notice.
*2 Prints about 500 letter-size pages with a 5 % 
coverage (page 66).
*3 No need to install when using letter-size paper.
Note:
LSave the original carton and packing materials for 
future shipping and transportation of the unit....