Datamax-O'Neil APEX 4 User Guide - Manual (Page 21)

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4 Printer Maintenance
4.1 Print Head Cleaning Instructions
You may need to clean the print head and platen roller after printing a number of rolls of paper,
whenever you load new supplies or when you see voids in the printout. We recommend using
the cleaning pen, part number 757150, which is included with the printer. To order more
cleaning pens, please contact your distributor or Datamax-O’Neil.
Do not use sharp objects to clean the print head. This may damage the printer and require
service.
•
Open the paper door by pressing the Paper Door Release Button on the top cover as shown
in Figure 6 . The paper supply door will pop up.
•
Remove the paper roll.
•
Use the cleaning pen or moisten a cotton swab with isopropyl alcohol and clean the print
head
•
Clean the platen roller with a dry cloth or small brush
Note: You can also use the cleaning pen or another cotton swab moistened with isopropyl
alcohol. Turn the platen roller with your finger and run the cotton swab or dry cloth across
it. Make sure the platen roller is clean all the way around.
• Use the cleaning pen or moisten another cotton swab with isopropyl alcohol. Rub the swab
across the black mark sensor to remove any build-up
• Use the cleaning pen or moisten another cotton swab and rub the swab across the tear bar
to remove any build-up
Note: You may experience dust build-up depending on the environment and the quality of the
paper supply you use. If this occurs, use a can of compressed air to blow dust and paper
debris out of the printer.