Canon BJ-20 User manual

BJ-20
USER’S
MANUAL
Canon

Table of Contents
Chapter 1 Introduction
How to Use This Manual
Features
Precautions
Chapter 2 Getting Started
Identifying the Parts
Checking the Package Contents
Installing the BJ Cartridge
Connecting to an AC Outlet
Cleaning the Print Head
Testing the Printer
Connecting to Your Personal Computer
Setting of Your Software for the BJ-20
Testing the Whole System
Additional Information
Installing the Battery Pack (Optional)
Checklist for Routine Operation
Traveling with the Printer
Chapter 3 Paper
Handling Paper
Paper Requirements
Loading Standard Paper
Loading Envelopes, Transparencies, or Thick Paper
Using the Auto Sheet Feeder
Installing the Feeder
Loading Standard Paper
Loading Envelopes, Transparencies, or Thick Paper
Chapter 4 Printer Settings
Changing the Printer Settings
From the Control Panel
From Your Software
From the DIP Switches
Choosing Between Print Quality and Speed
Selecting High Speed
Selecting High Quality
Selecting Printer Emulation
From the Control Panel
From the DIP Switches
Printing Text
Selecting National Character Set
Changing Character Pitch

Appendix A: Printer Control Codes Summary
Appendix B: Code Pages and Character Sets
Appendix C: Default Settings
Appendix D: Options and Supplies
Appendix E: Specifications
Glossary
Index
Trademark Notice:
EPSON LQ5 1 t) is a trademark of Epson America, Inc.
Changing Print Style
Using Fonts
Miscellaneous Printer Settings
Doing a Hexadecimal Dump
Chapter 5 Printer Control Codes
Main Control Codes
In BJ-l0e Mode
In LQ Mode
Chapter 6 Maintenance
Recharging the Battery Pack
Replacing the BJ Cartridge
Cleaning the Print Head
Cleaning the Printer Cabinet
Storing and Transporting the
Printer
Chapter 7 Troubleshooting
Errors Displayed Via Indicators
Diagnosis Chart
Low Battery
Errors Not Displayed Via Any Indicator
Incorrect Paper Feed
Poor Print Quality
Incorrect Printing
Paper Jams
Paper Fed from the Top Cover
Paper Fed from the Bottom Slot
Paper Fed from the ASF
This manual is provided for information purposes only. All information
included herein is subject to change without notice. Canon is not responsible
for any damages, direct or indirect, arising from or related to use of this
manual.
©1992 Canon Inc. All rights reserved. Printed in Japan

IBM PC and Proprinter X24E are trademarks of International Business Machines Corporation.
Lotus 1-2-3 is a trademark of the Lotus Development Corporation.
WordPerfect is a trademark of WordPerfect Corporation.
Professional Write and PFS: First Choice are trademarks of Software Publishing Corporation.
Multi Mate Advantage II is a trademark of Borland International, Inc.

How to Use This Manual
This manual describes how to set up and operate the BJ-20, a portable printer from
Canon.
Chapter 2 is recommended for all users. It provides step-by-step instructions on
setting up the BJ-20 for basic printing. When you finish this chapter, you should be
able to begin your productive work. If any printer problems occur, see the
"Troubleshooting" section.
The rest of the manual can be used in any order. As you gain experience you can read
the appropriate topic to customize the printer to your particular needs.
The overview diagrams on pages 10 to 13 contain page indications for quick retrieval
of information.
If you need to travel with the printer, see page 38.
Features
The BJ-20 is a portable printer designed around Canon's proprietary bubble-jet
printing technology. Amongst others, it has the following major features:
Portable
The BJ-20 fits easily into a briefcase. The rechargeable battery pack (optional)
extends your ability to use it where AC power is not accessible.
Low Noise Level
With noise level as low as 45 decibels (dBA), the BJ-20 allows you to print even in
an open-office environment.
Chapter 1 Introduction
Conventions
The following symbols are used in this manual to help you operate the printer
correctly and safely.
Caution Means serious damage may occur to your hardware or software.
Note Gives useful advice or suggestions to raise the performance or
reliability of your hardware and software.

Laser Printer-like Print Quality
The 360-dpi resolution gives you output quality of a laser printer - but at a much
lower cost. This means bringing presentation output capability on the road.
Easy Maintenance
The BJ cartridge contains both ink and a print head. When the ink runs out, simply
replace the whole cartridge with a new one.
Flexible Control
You can control the BJ-20 from the control panel, the DIP switches, or your
software programs.
Precautions
On electricity
Use an appropriate power supply voltage and
frequency. (Since the AC adapter is intended to be
used only for local power supply, it cannot be
used in overseas.)
USA/Canadian
model:
UK/Australian model:
European model:
AC 120 V 60
Hz
AC 240 V 50
Hz
AC 230 V 50
Hz
Use only the AC adapter provided. Using other
AC adapters will cause damage to the printer. (in
case of trouble such as smoke, odd smells, or
noise, disconnect the adapter from the outlet, do
not place obstacles in front of the outlet.
Do not unplug the power cable to turn off the
printer. The print head will not be properly
capped.
After turning the power off, always wait for 4
seconds or more before turning it back on again.

On operating environments
Operate the printer only in the following
environments:
Operating
temperature: 5°C to 35°C (41°F to 95°F)
Relative humidity: 10% to 90% RH
(no
condensation)
Place the printer on a level surface.
If the printer is placed near a window, use a blind
or curtain to protect the printer from direct
sunlight.
Do not leave the printer in a vehicle because the
temperature can suddenly rise.
Do not install the printer near devices which
contain magnets or generate magnetic fields.
Do not subject the printer to strong physical shock
or vibration.
Keep the printer clean. Accumulation of dust can
prevent the printer from operating properly.

prevent
the
printer
from
operating
properly.
Do not place objects on top of the printer.
Do not remove the BJ cartridge from the printer
until it has to be replaced. The print head will dry
out if continually exposed to the air.

Identifying the Parts
Front
Inside
Chapter
2Getting Started

Control Panel
Rear

Checking the Package Contents
Make sure the following items are in the package:
Notes
AC adapter may differ, depending on the country of purchase.
Read the BJ cartridge instruction sheet together with this manual.

Installing the BJ Cartridge
The BJ cartridge contains ink and a print head for printing. Each
cartridge can print about 700,000 characters approximately.
Before using a new BJ cartridge, perform the head cleaning
operation first, otherwise, it may print poorly or not print at all.
(For details, see page 21 on "Cleaning the Print Head")
1Prepare the cartridge by the following the instruction sheet that comes with it.
2Open the top cover, then the paper cover.

3Lift the lock lever on the carriage.
4Fit the BJ cartridge slot over the bright yellow mounting base.

5Push the lock lever down to lock the cartridge in place.
6Close the paper cover.

Connecting to an AC Outlet
Before you start, check the voltage and frequency of the power source
match the indication on the AC adapter label.
1Connect the AC adapter cable to the printer.
2Plug the adapter into a properly grounded AC outlet. The carriage moves
and the print head is recapped automatically.

Cautions
z
Use only the supplied AC adapter. If, however, you plan to operate the
printer in another country, check the voltage of the country and , if
necessary, obtain the appropriate AC adapter (with the correct voltage)
from a Canon authorized dealer in that country.
z
The supplied AC adapter is intended for indoor use only.
z
To avoid causing a short circuit, do not attach any metallic object to
the connector on the AC adapter when the adapter is plugged into an
electrical outlet.
z
Always turn off the printer when it is not in use.
z
Before unplugging the adapter, always turn off the printer first;
otherwise the print head cannot be recapped correctly. If such mistake
occurs, plug the adapter back into the AC outlet, then turn the printer
on and off. Finally, unplug the adapter.
z
Whenever the AC adapter is plugged into an electrical outlet, current
flows inside the adapter. Therefore, unplug the adapter if the printer is
not used for an extended period of time.

Cleaning the Print Head
To ensure good print quality, clean the print head whenever you install a
new BJ cartridge.
1Turn on the printer.
The POWER indicator and the ERROR indicator light.
2Insert a sheet of paper (see loading standard paper page 45).

3Press and hold down the LF/FF switch to form-feed (FF) the paper.
The paper advances to the position ready for printing.
4Press the ON LINE switch to turn the printer online.