Epson AcuLaser MX20DNF - Manual (Page 181)

Replace Fax Backup Memory
Make sure that all received fax data is printed. Turn off the printer, wait several minutes, and then turn
it on again. If the memory utilization does not go to 0 %, clear the fax backup memory. If the error
occurs again, contact your dealer or a qualified customer support person for assistance.
Replace Maintenance Unit
The maintenance unit has reached the end of its service life. Replace the maintenance unit with a new
one. See “Replacing Consumable Products/Maintenance Parts” on page 194 for instructions.
The error clears automatically after you replace the unit and close all covers. The maintenance unit
service life counter is reset automatically.
When the error light is blinking, you can continue printing by pressing the Start button. However, the
print quality is not guaranteed from then on.
Replace Toner Cartridge
The toner cartridge has reached the end of its service life and need to be replaced. See “Replacing
Consumable Products/Maintenance Parts” on page 194 for instructions.
Reset
The printer’s current interface has been reset and the buffer has been cleared. However, other
interfaces are still active and retain their settings and data.
Reset All
All Printer Settings have been reset to the default configuration, or to the last settings that were saved.
ROM CHECK
The printer is checking the ROM.
Scanner Error/Scanner Error Cannot Be Executedxxxxxxx
An error occurred in the scanner unit. Turn off the printer, and then turn it on again several minutes
later. If the error occurs again, contact your dealer or a qualified customer support person for
assistance.
Scanner Error Unable to Scan /Scanner Error Unable to Copy
Epson AcuLaser MX21/MX20 Series User's Guide
Using the Control Panel 181