HP 750 - Manual (Page 40)

Preventive Maintenance C4705-90000 4-3
Cleaning the Drive Roller
WĂAĂRĂNĂIĂNĂG The drive roller cleaning procedure should be performed only
by HP 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 edgeĆsensing function. To remove any ink from the roller,
perform the following procedure:
1 Connect the plotter to an ac power source.
2 Hold the Enter button down and switch the plotter ON.
3 Using the arrow buttons, scroll to the
e menu display, then press the
Enter button.
4 Using the arrow buttons, scroll to the a submenu display.
5 Simultaneously press the Enter and the Up Arrow buttons to access the e e e
menu.
6 Using the Up Arrow button, scroll to reach the following display:
SERVICE TESTS
22 X Motion control
7 Press the Enter button, and the following display will appear:
REMOVE MEDIA
PRESS ENTER
8 Remove any media from the plotter.
9 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 severaltimes
until the drive roller reaches a convenient speed for cleaning.
The speed of the roller can be reduced or increased by pressing the appropriate arrow button.
10 Apply any common household cleaning solution (water based only) to a soft, lintĆfree rag
and apply it to the drive roller surface while it is rotating. Thoroughly clean the roller
surface.
11 Stop the roller by pressing the Enter button when you have finished cleaning.
12 Press the Enter button to return to the SERVICE TESTS menu display.
13 Using the
e button, scroll to the U ea e a. display.
14 Allow the drive roller to dry before inserting media in the plotter.