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To print the test patterns, you must be automatically
feeding paper. Make sure the paper selection lever is set to
the back position.
Use letter-size or A4-size paper when printing the test patterns. If
you attempt to print on a smaller sheet, ink will get on the platen.
If this happens, see Chapter 6, Maintaining the Printer, for a
description of how to clean the platen.
Self Test
You can print the Self Test in both printer control modes:
BJ-10 mode or Epson LQ mode. The printer prints a
repeating pattern of characters in the default print mode and
pitch.
In BJ-10 mode, the pattern is printed is Courier typeface at
10 cpi; the print mode is HQ. In Epson LQ mode, that
pattern is printed in Roman typeface at 10 cpi; the print
mode is HQ.
Starting
To start the Self Test, follow these steps:
1. Press the POWER button to turn off the printer.
2. Press and hold the ON LINE and PRINT MODE buttons,
and press the POWER button until the beeper sounds
once.
§ The printer starts to print the self test.
Stopping
To stop the self test, press and hold the ON LINE and
POWER buttons for one second. The printer stops
printing, ejects the current sheet of paper, and goes back
on-line.
In BJ-10 mode, the Self Test looks like this: