Datamax-O'Neil A-Class Mark II Operator’s Manual - Manual (Page 99)

A-Class Mark II 89
5.5 Platen Roller Replacement
Replace the Platen Roller as follows:
1. Turn OFF the printer. Raise the Access
Cover.
2. Unlatch and raise the printhead.
3. Remove the Screw, Printhead Latch Post,
and Bearing retainer from the printer.
4. Remove the outer bearing and platen roller
from the printer
5. Re-install the Platen Roller in the reverse
order. Be sure when inserting the Platen
roller that the “flat” on the Platen Roller
shaft is aligned with the pulley inside the
printer.
Printhead
Latch Post
Bearing
Retainer
Screw
Bearing
Platen Roller