HP C2858A Service Manual page 120

3. Press Enter at the "Status" display.
4. Use the arrow buttons to scroll to the "Utilities" main menu. Press Enter. If not
already set to Full menu mode, scroll to Full and press Enter.
5. User accuracy:
Service accuracy:
6. User accuracy:
Service accuracy:
The "Create plot / Measure plot" message displays.
7. Press the Up Arrow button to select "Create plot."
A "Creating calibration plot" message displays while plotting.
8. Wait until the "Remove media / Continue" message displays.
9. Press the Down Arrow button to "Continue."
The "Create plot / Measure plot" message displays.
10. Press the Down Arrow button to select "Measure plot."
11. Rotate the plot so that the edge with arrows points to the leading edge, then reload
the plot with the arrow edge print side down.
Arrow edge
12. The plotter will load the plot and then measure the alignment marks using the edge
sensor on the pen carriage.
13. Press the Down Arrow button to continue when the "Calibrate done / Continue"
message is displayed and the plot is fed out. Accuracy calibration is complete.
A Calibration Plot may be saved and reused for future calibrations by selecting "Measure
plot" when calibration is necessary.
Scroll to the "Accuracy" submenu. Press Enter.
Simultaneously press the Enter and Up Arrow buttons.
Scroll to the "Recalibrate" submenu. Press Enter.
Scroll to the "Accuracy Calib" submenu. Press Enter.
Adjustments/Calibrations
Load arrow edge
print side down
(C) C2847-15a(UM)
7-5