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Service Guide ML393/ML393CPlus
Chapter 4 Failure Analysis
4.8.02 Rolling ASCII Print Test
General Information
The Rolling ASCII Print Test is a continuous printout of all 96 ASCII characters. The type style set in the
printer menu will be utilized.
Use this test to check the items listed below.
Print Quality
Across the entire length of a line
Down the entire page
Line Spacing
Character Formation
Left Margin Alignment
Header Information
At the top of the printout, you will see the Printer Model, Emulation, Country Code, Interface Selection and
Firmware Revision Level. This information is often required when performing service or when contacting
Okidata. Have this test available during your service call.
Procedure
CAUTION:
If 13.6 inch Paper Width is selected in the Menu, and you run this test with 8.5 inch wide paper loaded, the
printer will print on the platen. This may damage the platen, ribbon and printhead.
1. Check the Paper Width setting in the Menu. Load the appropriate width paper or modify the menu
setting.
2. Verify that the printer is loaded with paper.
3. Verify that the ribbon is installed.
4. Power OFF the printer.
5. Press and hold the PARK/TOF switch while powering ON the printer. If the printer is powered on and
the Rolling ASCII Test does not start, you may have released the PARK/TOF switch too soon.
6. To stop the Rolling ASCII Test, press the SELECT switch or power OFF the printer.
Rolling ASCII Print Test Sample
Содержание ML393C Plus
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