HP DesignJet 250C Service Manual page 84

Removing the Media Motor
1 Remove the spittoon ' page 6 23/6 24.
2 Disconnect the media motor cable and the
flat media axis encoder cable from the
main PCA (connectors labeled
respectively), and from the clip at
ENC X
the back of the plotter.
3 Remove the two screws that secure the
media motor to the media motor mount.
Torx-15
6 26 Removal and Replacement
4 Pull the media motor out through the
back of the plotter.
and
MOT X
Reassembling: The worm pinion and
drive roller gear mesh slightly during use.
Don't install a new motor and an old gear, or
vice versa: install the gear that comes
with the motor. Apply the grease that comes
with the new motor to the worm pinion and
drive roller gear.
Calibration: After having reassembled the
plotter, perform the accuracy calibration
(Details ' chapter 7.)
C4699 90000