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Troubleshooting
Cleaning the Outside of the Printer
You can clean the outside of the printer with a soft, damp, cloth. You can use a cloth moistened
with a mild neutral detergent to remove stains; do not spray detergent directly onto the printer.
Warning
To prevent electric shock, turn the printer off and unplug the power cord from the
electrical outlet before cleaning the printer.
Do not use a vacuum cleaner to clean the printer. Do not lubricate the printer with oil.
Front Panel Messages
Your printer's front panel provides you with information and troubleshooting help.
R eady
1
2
The front panel is divided into two sections. The upper section (1) displays printer menu and
error messages; the lower section (2) controls the front panel.
1.
Alphanumeric display
2.
On-line/Data/Error LED
3450-045
Phaser™ 3420 Laser Printer
31
Cleaning the Outside of the Printer
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