Chapter 3 — Troubleshooting and Maintaining the PB21 and PB31
PB21 and PB31 Mobile Receipt Printer User Guide 61
PB21 and PB31 Mobile Receipt Printer: You need to clean these parts regularly.
Cleaning the Printhead
Clean the printhead every five rolls of media to prolong the life of the
printhead and ensures that you maintain high print quality.
Clean the printhead with the Intermec cleaning swab (P/N AE26034).
The cleaning swab is shipped with the printer and can also be
purchased separately from www.intermec.com.
To clean the printhead
1 Open the media cover.
2 Remove the media and ribbon.
3 Use the cleaning swab or cleaning pen to dissolve any
contamination on the line of heat-emitting objects at the front/
bottom of the printhead.
4 Wait 30 seconds and carefully rub off any contamination.
Use only the cleaning agents specified in this section. Intermec
is not responsible for damage caused by any other cleaning
materials used on this printer.
Tear bar
Paper sensor
Platen roller
Printhead
Note: The Intermec cleaning swab is the recommended method for
cleaning the printhead and platen roller. Using other methods for
cleaning may damage the printer.
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