
77259L Rev. 4 12/16/03 Z4M/Z6M Maintenance Manual Page 4-5
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The exterior surfaces of the printer may be cleaned with a lint-free cloth. Do not use harsh
or abrasive cleaning agents or solvents. If necessary, a mild detergent or desktop cleaner
may be used sparingly.
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Remove any accumulated dirt and lint from the interior of the printer using a soft bristle
brush and/or vacuum cleaner.
Refer to Table 4-1 for the correct interval for cleaning the printhead and platen roller. Poor
print quality as represented by uneven print darkness, blank areas in bar codes or graphics,
or illegible numbers and letters, may indicate a dirty printhead and/or platen roller.
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Table 4-1. Preventive Maintenance Schedule
Area Method Interval
Printhead Solvent*
After every roll of media or 500 feet of fanfold
media when printing in the direct thermal mode.
After every roll of ribbon when printing in the
thermal transfer mode.
These intervals are intended as guidelines only.
You may have to clean more often, depending
upon your application and media.
Platen Roller Solvent*
Media Sensor Air blow
Ribbon Sensor Air blow
Media Path (Dancer Assembly) Solvent* + cloth
Ribbon Path Solvent*
Cutter
Assembly
If cutting continuous,
pressure-sensitive
media
Citrus-based cleaner
such as Goo-Gone
®
After every roll of media (or more often,
depending upon your application and media).
If cutting tag stock or
label liner material
Solvent* and air blow After every two or three rolls of media.
Tear-Off/Peel-Off Bar Solvent* Once per roll of media.
Media Take Up Spindle (Optional) Formal preventive maintenance is not required on these spindles.
Ribbon Take-Up Assembly
Ribbon supply and ribbon take-up assembly – once per year or after
200 rolls of ribbon.
This spindle should only be disassembled and cleaned with Zebra
solvent for it to operate smoothly.
Take label sensor Air blow Once every six months.
Value Peel Solvent* Every ribbon roll or sooner if needed.
*Use Zebra PN 47362 preventive maintenance kit contains pre-moistened swabs soaked in the
recommended solution.
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