HP 4000

8-156
Removal and Installation
HP Designjet 4000/4020 Printer Series Service Manual
Installation of the Drive Roller
When installing the Drive Roller, several different datums have to be met in order to ensure that the
Drive Roller has no axial play. Use the following illustrations to ensure that ALL the datums are met:
Left Hand Side of the Printer
Right Hand Side of the Printer
Sideplate
Media-Axis Motor Bracket
Drive Roller Bearing
1
1
2
3
3
1. Datum between Media-Axis
Motor Bracket and Drive
Roller Bearing
2. Datum between Media-Axis
Motor Bracket and Sideplate
3. Datum between Drive Roller
Bearing and Sideplate
Sideplate
Drive Roller
Radial Retainer
2
2
1
1. Datum between Drive
Roller and Radial Retainer
2. Datum between Drive
Roller and Sideplate