Service manual

5 • Removal & Replacement
DM300c/DM400c/DM475 Service Manual (SV61801 Rev. D)
5-11
Printer/Base (use for all models)
5.11 Rear Drive
Belts
5.11.1 Main Drive Shaft Belt
1. Remove all printer/base covers (sections 5.2, 5.3, 5.4, and 5.6).
2. Loosen belt tensioner slightly. Press on tensioner to relieve tension on
belt and tighten tensioner. See Figure 5-28.
3. Walk belt off pulleys. See Figure 5-29.
4. Replace belt.
5. Loosen belt tensioner. Allow spring to normalize tension on belt. DO
NOT apply additional tension.
6. Tighten belt tensioner.
7. Reassemble in reverse order.
5.11.2 Intermediate Drive Belt
1. Follow steps 1 through 3 above.
2. Loosen belt tensioner slightly.
Press on tensioner to relieve
tension on intermediate belt and
tighten tensioner.
3. Walk belt off pulleys.
4. Replace belt.
5. Loosen belt tensioner. Allow
spring to normalize tension on
belt. DO NOT apply additional
tension.
6. Tighten belt tensioner.
7. Reassemble in reverse order.
Main Drive
Shaft
Figure 5-28 Loosen Belt Tensioner
Slightly; Press Down and Tighten
Figure 5-29 Remove Main Drive Belt
Figure 5-30 Remove Intermediate Drive
Belt