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QLS-4100 X 89
7 Maintenance
and Repair
Your QLS-4100 X is designed for long-life and trouble-free operation. In order to
keep your printer operating at optimal performance, some periodic maintenance
maintenance is required.
This chapter covers the following:
• List of recommended tools for performing maintenance and repairs.
• Procedure for cleaning the print stations.
• Procedure for replacement of a printhead.
• The drive roller, pressure roller, and platen rollers wear with normal use. When
print quality is degraded, it is recommended to replace one or more of these.
• Changing the fuse or line voltage.
• Perfoming a firmware upgrade.