Lexmark 3350 - X Color Inkjet Service Manual page 41

6. Run In Test Scan–The All-In-One runs the Scanner Life Test through
75, 150, 300, and 600 dpi resolutions. No data is sent over USB and
the test is only used in standalone to verify the mechanical system.
Message screens report the current scan mode and the frequency
during this test. Press Cancel to end the Scanner Life Test, return the
scan bar to the home position, and return to the Self Test menu.
7. USB Serial Number–Displays the USB serial number for the
All-In-One. Press the Arrow button to de-activate the USB serial
number. Press Cancel to return to the Self Test menu.
8. NVRAM Dump–Prints the contents of the Flash-emulated NVRAM.
After completion, the LCD returns to the Self Test menu. Press Cancel
during printing to halt the job, eject the paper, and return to the Self
Test menu.
9. Short Copy Black–Performs a black copy of the top 5cm of the scan
area.
10. Short Copy Color–Performs a color copy of the top 5cm of the scan
area.
11. Media Test–The media sensor reads the current paper type. The
detected paper type appears on the LCD. If no paper is present, a
None message appears on the LCD. Press Cancel to return to the Self
Test menu.
12. Show Strings–Displays strings on the LCD (example Lexmark 3300
Series).
13. Scanner Life Test–This is not an option in the Self Test menu. To enter
the Scanner Life Test, press the Cancel and Power buttons
simultaneously. The following are characteristics of the Scanner Life
Test:
•
To begin the test, press the Minus (-) and Scan buttons
simultaneously.
•
Scans maximum area of glass.
•
After each scan, updates NVRAM with the total number of pages
scanned.
•
Displays the current scan resolution, mode, and number of scans
on the LCD.
•
Continuously cycles through the various resolutions and stops after
32,000 scans.
14. Last USB Speed–The status and/or connection speed of the USB
connection appears on the LCD.
4479-XXX
3-3
Diagnostic aids