Flatbed Optical Chassis Removal - Lexmark OptraImage 443 Service Manual

4.4.10 Flatbed 4.4.10 4.4.10 4.4.10

Flatbed Optical Chassis Removal

Flatbed Flatbed Optical Chassis Removal Optical Chassis Removal Optical Chassis Removal
1. Remove the Document cover. (See subsection 4.4.3)
2. Remove the ADF unit. (See subsection 4.4.5 and subsection 4.4.6)
3. Remove the upper housing. (See subsection 4.5.7)
4. Loosen the belt from the wheel. (See following figure.)
5. Remove the sliding rod and the flat cable. (See following figure.)
6. Take out the flatbed optical chassis.
To install the optical chassis properly, please follow the reverse order of removal procedure.
Notes: Notes: Notes: Notes:
1. The correct direction of CCD flat cable is as shown in Figure 4.20 with the text face up.
2. Please install the belt with the groove marks on the back of the belt.
3. After the belt is installed, make sure the belt's tension is fully carried by the tension spring.
Belt
Figure 4.21 Figure 4.21 Flatbed Optical Chassis Removal Flatbed Optical Chassis Removal
Figure 4.21 Figure 4.21 Flatbed Optical Chassis Removal Flatbed Optical Chassis Removal
Flat cable
4-19
Sliding Rod
Flat Cable
with the text
face up