Cleaning The Printhead - Datamax I-Class Mark II Maintenance Manual

I-Class Mark II Maintenance Manual
2.4.1

Cleaning the Printhead

NEVER use a sharp object on the Printhead;
damage can result.
CAUTION
If print quality declines (symptoms can include non-compliant
bar codes or streaks in the image), the typical cause is debris
buildup on the printhead.
If not removed, debris buildup can result in permanent
damage.
Depending upon the media and settings most typically used,
different methods and materials are recommended for
cleaning the printhead, as detailed below.
2.4.1.1 Cotton Swab Procedure
This cleaning method is recommended when using direct thermal media or thermal transfer media with a wax
ribbon.
1. Turn OFF and unplug the printer. Wait for the printhead to cool.
2. Raise the Printhead Assembly then remove the media (and ribbon, if installed). Using a Cotton Swab
moistened (not soaked) with isopropyl alcohol, gently wipe the Printhead and Burn Line clean.
Cotton Swab
Printhead
3. Allow the printhead to dry.
4. Install media (and ribbon, if necessary). Lower and latch the Printhead Assembly. Close the cover. Plug in
and turn ON the printer. Run several sample labels and examine the print quality. If streaks are still
present, go to Section 2.4.1.2; otherwise, this completes the procedure.
Buildup
Burn Line
Adjustments and Maintenance
Faulty Label: Streaks (e.g., white
lines) in the direction of print can
indicate a dirty or faulty printhead.
21