Specifications

Rewind Drive Belt — Removal, Replacement and Adjustment
1. Turn the printer OFF and remove the AC Power Cord.
2. Refer to Figure 5.20 and note the position of the Idler Gear used to adjust
the tension of the Rewind Drive Belt.
3. On the Media Side of the printer, locate the lower access hole in the Side
Frame and remove the hole plug. Use a 7/64″ Allen wrench with a 10″
minimum shaft length to reach through the hole and loosen the Idler Gear
Mounting Screw.
4. Slide the Idler Gear Assembly to the right to relieve the tension on the
Rewind Drive Belt.
5. Remove the old Rewind Drive Belt and install the new one.
6. Hook a 2200 gram spring scale to the belt as shown in Figure 5.20, and
carefully slide the Idler Gear Assembly to the left to increase belt tension.
7.
When a scale reading of 2000 grams ± 250 grams (4.5 lbs ± 0.5 lbs) creates a
deflection of 1/4″, tighten the Idler Gear Mounting Screw to a torque of 20
inch-pounds.
SPRING
SCALE
IDLER
GEAR
2200
2000
1800
1600
1400
INCHES
1
2
3
Figure 5.20 Rewind Drive Belt Replacement
Corrective Maintenance S -Series Maintenance Manual: Volume 1
Page 5-32 38452L Rev. 3