User`s guide

Error Messages Solutions
Communication error. Connect computer. Make sure the computer is connected correctly. If the error
messages still appears, make sure that scanning software is
installed on your computer and that the software settings are
correct.
Communication error. Make sure the computer is
connected, then try again.
Maintenance box is nearing end of its service life. Replace maintenance box before the end of its service life.
& See “Replacing a maintenance box” on page 132
When the maintenance box is full, the printer stops and you need
to replace the maintenance box to continue printing.
Maintenance Box is at the end of its service life. You need to
replace it.
Replace maintenance box.
& See “Replacing a maintenance box” on page 132
Cannot recognize USB device. Make sure USB device has been inserted correctly.
Cannot recognize the device. Make sure the storage disk has been inserted correctly.
Cannot recognize the device. Make sure the connected
device is capable of storage.
No dial tone detected. Try Check Fax Connection. Make sure the phone cable is connected correctly and the phone
line works.
& See “Connecting to a Phone Line” on page 96
If you connected the product to a PBX (Private Branch Exchange)
phone line or Terminal Adapter, turn off the Dial Tone
Detection.
& See “Setup mode menu list” on page 116 (Fax Settings >
Communication > Dial Tone Detection)
The combination of IP address and subnet mask is invalid.
See your documentation.
Refer the online Network Guide.
Recovery Mode The firmware update has failed. You will need to re-attempt the
firmware update. Ready a USB cable and visit your local Epson
website for further instructions.
WP-4511/4515/4521/4525/4530/4531/4535/4540/4545 User’s Guide
Using the Control Panel
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