Xerox DocuPrint C55 Supplementary Manual page 338

S Y S T E M M A I N T E N A N C E 15
PRINT A "PRINTER DIAGNOSTICS" PAGE
Verify the current values of the Margin Adjustments. You may need to
reset these after doing a Printer (ESS) Upgrade. This page can be printed
by doing the following:
1. Press the Online button to take the printer off-line.
2. Press Menu.
3. Press Next until <SERVICE> is displayed. Press Enter.
4. Press Next until <TEST PATTERNS> are displayed, then Enter.
5. Press Next until <DIAGNOSTICS> are displayed, then Enter.
6. Press Next until <YES> is displayed, then Enter.
7. At this point the diagnostics page will print. Keep it for future
reference.
8. Return the printer to online by pressing the Online button.