HP Designjet 4500

8-157
Removal and Installation
HP Designjet 4500 Printer Series Service Manual
6. Remove one T-15 screw (Type G) that
secures the left side of the BT Arm.
7. Rotate the white plastic bushing on the left
side of the BT Arm.
8. Remove the Roll 1 BT Arm Assembly.
As you remove the Roll 1 BT Arm
make sure you do not damage the
Encoder disc on the right side.