Operator`s manual

Chapter 10 Printer Maintenance
428TC Operator’s Manual - 880041-0141 10-5
Figure 10-5 Cleaning the Print Head
10.5 Replacing the Drive Roller
Over time, the platen may harden and cause print issues and need to be replaced. The
printer is equipped with an easy replaceable drive roller assembly.
1. Loosen and unscrew the 2 pressed in captive screw that holds the top cover in place
and rotate to the open position.
Figure 10-6 Releasing the Print Mechanism
2. Release the Print Head Assembly and rotate to the open position.
The printhead dot row
should be cleaned to
remove any
contaminates that may
impact print quality.