
: Feb. 6 2004
1
AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 140
a. 1/2 paper feed drive unit
1) Remove the main motor. (See “a-1. Main motor” in the “[Paper
feed/paper transport drive section]”)
2) Remove the high voltage PWB unit. (See “a. Manual paper feed
drive unit” in the “[Manual paper feed drive section]”)
3) Pull out the left door.
4) Disconnect the connector and remove the harness clamp. Remove
the DV fan unit.
5) Disconnect the connector and remove the harness holder.
6) Remove the plastic E-ring, the belt holding sheet, the belt, and the
pulley. Remove the joint plate.
7) Remove the harness, and remove the drive joint plate.
∗
When installing, temporarily fix the 1/2 paper feed drive unit to the
main unit, and install the drive joint plate. Then tighten the screw of
the drive unit securely.
8) Disconnect the connector and remove the harness clamp. Remove
the 1/2 paper feed drive unit.
∗
Remove the screw which was indicated with the arrow mark.
a-1. Vertical paper transport motor
1) Remove the 1/2 paper feed drive unit. (See “a. 1/2 paper feed drive
2) Loosen the screw to release the tension, and remove the belt.
3) Remove the parts.
∗
When installing, be careful of the belt length and the belt holding
sheet direction.
1
Belt length 300
Belt length 399
Belt length 297
∗
If the left door is completely pulled out, the unit may drop off. Be
careful to avoid it.
∗
Attach the spring to the longer shaft.
1
1
Summary of Contents for AR-M550N
Page 456: ...Memo ...
Page 457: ...Memo ...