Inspecting The Printer; Maintenance Schedule - Intermec EasyCoder 4420 User Manual

Chapter 3 — Maintaining the Printer

Inspecting the Printer

Maintenance Schedule

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Inspect the printer and the rest of your data collection system equipment
on a regular basis. Your inspection should include these tasks:
• Make sure you have properly grounded the printer.
• Inspect the work environment. Large electric motors, welders, and
switching equipment can affect printer performance.
• Check the data collection network regularly for loose wires or poorly
installed connections. Be sure to replace corroded wires.
Clean the printer regularly to maintain the quality of the labels and extend
the life of the printer. This table contains suggestions for cleaning the
printer. Use the following illustration to locate the parts you need to clean.
Printer Maintenance Schedule
Printer Component
Thermal printhead
Printer Cover (not shown)
Drive roller and tear bar
Media path (not shown)
Edge guide
Upper media guide
Lower media guide
Thermal transfer ribbon
(TTR) assist roller
Label gap sensor (not shown)
Label mark sensor (not shown)
EasyCoder 4420 and 4440 Bar Code Label Printer User's Manual
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Helvetica Condensed
Maintenance Period
Inspect after every roll of media. Clean after every
roll of media (6,000 in or 152 m) or ribbon
(18,000 in or 457 m). Clean more often if
necessary.
Clean as necessary.
Clean after every six rolls of media. If you are using
hi-tack adhesive, you must clean after every roll of
media. Clean more often in environments that are
harsh or dusty.