Part 15 Reference; Cleaning The Printer Head And Roller; Troubleshooting - Casio KL-820 User Manual

Part 15 Reference

This section contains information about the Label Printer that you can use as
reference when you need it.

Cleaning the Printer Head and Roller

A dirty printer head and roller can result in poor printing quality. If you have
problems with print quality, use the following procedure to clean the printer head
and roller.
To clean the printer head and roller
1. Make sure the Label Printer is turned off.
2. Open the cassette cover.
• If a tape cartridge is loaded in the printer, remove it.
3. Use a cotton swab dipped in alcohol to clean the printer head and roller as
shown in the illustration.
Printer head
• Never touch the print head or other metal objects near the head. These items
become very hot, and touching them creates the risk of burn injury.
4. Replace the tape cartridge and close the cover.
Cleaning the Printer Exterior
Wipe the exterior of the printer with a cloth moistened with plain water.
Wring all excess liquid from the cloth before wiping the printer.
Never use benzene, alcohol, thinner, or other volatile agents to clean the
printer exterior. Doing so can damage the case.
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Roller

Troubleshooting

• • • • • Power Supply
Nothing appears on the display.
Possible Causes
Battery power is low or Load a fresh set of AA-size alkaline
the wrong type of batteries (supplied by you).
batteries are loaded in
the printer.
Improper display contrast Adjust display contrast.
setting
Batteries loaded Remove batteries and reload them
incorrectly correctly.
AC adaptor (option) is Make sure the AC adaptor is
not connected correctly. connected correctly.
• • • • • Text Input
Cannot input text.
Possible Causes
FUNC key has been Press ESC to clear FUNC key
pressed. operation.
Action Page
E-8
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E-8
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Action Page
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