Carriage Drive Belt - Pitney Bowes DM300c Service Manual

5 • Removal & Replacement
Printer/Base (use for all models)
5.12 Carriage
Drive Belt
5-12
1. Remove rear cover (section 5.2), control panel (section 5.3) and sub-
cover (section 5.4).
2. Scribe location of belt tensioner assembly as shown in Figure 5-31.
3. Loosen belt tensioner.
4. Walk belt off pulleys and carefully remove belt from printhead loop.
5. Insert replacement belt in printhead loop as shown in Figure 5-32.
6. Position belt on pulleys.
7. Move tensioner to scribed position and tighten. This is an initial adjust-
ment. DO NOT over-tension belt. See adjustment procedure below.
Connect Spring Gauge Here
Figure 5-31 Scribe Tensioner Location
Carriage Drive Belt Tension
Adjustment
Adjust tension of the carriage drive belt after
replacing it:
1. Loosen the adjustment screw shown in
Figure 5-31.
2. Connect a spring gauge to the adjust-
ment bracket and set the belt tension for
1 kg (2.2 lbs.) +/- 10%.
3. Tighten adjustment screw.
Figure 5-32 Carriage Belt Loop
DM300c/DM400c/DM475 Service Manual (SV61801 Rev. D)