Removing The Pinch Arm Sensor - HP DesignJet 250C Service Manual

330

Removing the Pinch Arm Sensor

350C
1 Remove the spittoon ' page 6 24.
2 Release the pinch arm sensor cable from
the indicated clip on the spittoon.
3 Gently press the two indicated tabs to the
side and lift the pinch arm sensor from
the spittoon.
C4699 90000
Removing the Drive Roller Gear
1 Remove the spittoon ' page 6 23/6 24.
2 Remove the two screws that secure the
drive roller gear to the drive roller shaft.
3 Remove the drive roller gear from the
drive roller shaft.
The gear may be stiff.
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.
Reassembling: Push the gear onto the shaft
as far as it will go. Align the holes on the gear
with the holes on the shaft.
330
Always calibrate the X axis after reassembling
350C
the motor or the gear ' page 7 8.
Removal and Replacement
Torx-10
6 25