Epson PLQ-50 User Manual page 61

4. The printer prints the self-test pattern in the font selected in the default setting mode.
Note:
To stop the self-test temporarily, press the Offline button. To resume the test, press the Offline
button again.
Caution:
!
Do not turn off the printer while it is printing the self-test. Always press the Offline button to
pause printing. Then turn off the printer.
PLQ-50/PLQ-50CS/PLQ-50M/PLQ-50CSM/PLQ-50CSK User's Guide
Troubleshooting 61