Printer Self Repair

Disassembling the Scanner Unit UpperFront Scanner Housing

□ Parts/Components need to be removed in advance Document Cover/ASF Cover/Scanner Unit

□ Removal procedure

■ Upper Scanner Housing

Following work should be performed in a room where there is a little dust. A clean room or a clean bench would be preferable.

Do not scratch the Rod Lens Array when removing the CIS Assy.

If the Hinge R or the Driven Pulley comes off during disassembling, reassemble them as shown in the figure below.

Figure 4-104. Installing the Hinge R or the Driven Pulley

1. Remove the screws (x6) that secure the Upper Scanner Housing, and release the two hooks inside the Lower Scanner Housing, then remove the Upper Scanner Housing by lifting the front of it.

Figure 4-105. Removing the Upper Scanner Housing

When installing the Upper Scanner Housing, attach the Hinge R to the place as shown in Figure 4-104.

■ Front Scanner Housing

1. Remove the Upper Scanner Housing toward you. (p134)

2. Release the hooks at the bottom of the Upper Scanner Housing, and remove the Front Scanner Housing.