OKI 721 User Manual
ML720/721 Printer Handbook
63
Cleaning the Housing
You should clean the printer every six months (or after about 300 hours of operation).
To do this:
To do this:
1. Turn printer OFF and remove paper
from path.
2. Open access cover and remove pull-up
roller assembly.
3. Use clean, dry cloth to dust area around
carriage shaft and platen. Be sure to re-
move any loose particles of paper.
move any loose particles of paper.
Note: The built-up of dust or paper powder in
the printer, which may be occurred by some
environmental settings or media used, may
cause a mulfunction, so execute cleaning ac-
cording to how the printer is dirty.
the printer, which may be occurred by some
environmental settings or media used, may
cause a mulfunction, so execute cleaning ac-
cording to how the printer is dirty.
Remove pull-up roller
assembly
assembly
4. Reinstall pull-up roller assembly and
close access cover.
Note: When installing a pull-up roller assem-
bly, Shift the paper lever in agreement with
the “Rear” mark before the installation.
bly, Shift the paper lever in agreement with
the “Rear” mark before the installation.
Never use solvents or strong deter-
gents on the cabinet–they could
damage the housing.
gents on the cabinet–they could
damage the housing.