4. Reinstall the paper cassette.
Printing a Status Sheet
To confirm the current status of the printer, and that the options are installed correctly, print a status
sheet using the printer’s control panel or the printer driver.
To print a status sheet from the printer’s control panel, see “Printing a Status Sheet” on page 185.
To print a status sheet from the printer driver, for Windows, see “Printing a status sheet” on page
254.
Operational Problems
The Print LED does not turn on
Cause
What to do
The power cord may not be properly plugged into the
electrical outlet.
Turn off the printer, check the power cord connections between
the printer and the electrical outlet, then turn the printer back on.
The electrical outlet may be controlled by an outside
switch or an automatic timer.
Make sure that the switch is turned on or plug another electrical
device into the outlet to check whether the outlet is operating
properly.
The printer does not print (Print LED off)
Cause
What to do
The printer is offline.
Press the
Start
button once to switch the printer to ready status.
Make sure that the
LED turns on.
Some error may have occurred.
Check the LCD panel to see if an error message appears.
Epson AcuLaser MX21/MX20 Series User's Guide
Troubleshooting
225