HP C2858A, Service Manual

Page: 48 / 198

4-3
Preventive Maintenance
DRIVE ROLLER CLEANING
W A R N I N G
The drive roller cleaning procedure should be
performed only by service-trained personnel;
otherwise personal injury may occur.
If ink is spilled on the drive roller, remove the ink. Due to the ink’s reflectance, ink on the
roller can disrupt the plotter’s edge-sensing function. To remove any ink from the roller, per-
form the following procedure:
1. Connect the plotter to an ac power source.
2. Switch the plotter ON.
3. Press the Enter button on the front panel.
4. Using the arrow buttons, scroll to the utilities menu display, then press the
Enter button.
5. Using the arrow buttons, scroll to the statistics submenu display.
6. Simultaneously press the Enter and the Up Arrow buttons to access the service tests
menu.
7. Using the Up Arrow button, scroll to reach the following display:
SERVICE TESTS
X motion control
8. Press the Enter button, and the following display will appear:
REMOVE MEDIA
PRESS ENTER
9. Remove any media from the plotter.
10. Raise the window. Holding the window sensor down with a pen, pencil or small
screwdriver, press the Enter button. The display will show that the arrow buttons
can be used to control the roller speed for cleaning. Press the Up Arrow button sev-
eral times until the drive roller reaches a convenient speed for cleaning.