90 Microline 420/421 User’s Guide
Testing the Printer
• Font Sample Test
• Rolling ASCII Test
• Hexadecimal Dump Mode
Font Sample Test
Important!
Wide carriage Model ML421: If you are using 8.5" paper to
run the tests, make sure the paper width selection in the
printer menu is set to 8.5 inches. Otherwise, printing on the
platen may damage the printer. See Chapter 4: Menu Mode
for more information.
The Font Sample Test prints a sample of the fonts standard to
the printer.
The top of the printout shows the Printer Model, Emulation,
Country Code, Interface, and Firmware Revision Level.
1 Make sure paper is loaded.
2 Turn off the printer.
3 Press and hold the
LF key while turning the printer back on.
The printer prints a page of font samples and the test ends.