Epson WorkForce Pro WF-4720 series User Manual page 7

User's Guide
LCD Screen Gets Dark. . . . . . . . . . . . . . . . . . . 179
Touch Screen Does Not Respond. . . . . . . . . . . .179
Cannot Print from a Computer. . . . . . . . . . . . . . . 179
When You Cannot Make Network Settings. . . . . . 180
Cannot Connect from Devices Even Though
Network Settings are No Problems. . . . . . . . . . 180
Checking the SSID Connected to the Printer. . . 182
Checking the SSID for the Computer. . . . . . . . .182
Suddenly the Printer Cannot Print over a
Network Connection. . . . . . . . . . . . . . . . . . . . . . 183
Suddenly the Printer Cannot Print Using a USB
Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Cannot Print from an iPhone or iPad. . . . . . . . . . 184
Printout Problems. . . . . . . . . . . . . . . . . . . . . . . . 184
Printout is Scuffed or Color is Missing. . . . . . . .184
Banding or Unexpected Colors Appear. . . . . . . 185
Colored Banding Appears at Intervals of
Approximately 3.3 cm. . . . . . . . . . . . . . . . . . . .185
Blurry Prints, Vertical Banding, or
Misalignment. . . . . . . . . . . . . . . . . . . . . . . . . .186
Print Quality is Poor. . . . . . . . . . . . . . . . . . . . .186
Paper Is Smeared or Scuffed. . . . . . . . . . . . . . . 187
Paper is Smeared During Automatic 2-Sided
Printing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Printed Photos are Sticky. . . . . . . . . . . . . . . . . 188
Images or Photos are Printed in Unexpected
Colors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Cannot Print Without Margins. . . . . . . . . . . . . 189
Edges of the Image are Cropped During
Borderless Printing. . . . . . . . . . . . . . . . . . . . . .189
The Position, Size, or Margins of the Printout
Are Incorrect. . . . . . . . . . . . . . . . . . . . . . . . . . 190
Printed Characters Are Incorrect or Garbled. . . 190
The Printed Image Is Inverted. . . . . . . . . . . . . . 190
Mosaic-Like Patterns in the Prints. . . . . . . . . . .191
Uneven Colors, Smears, Dots, or Straight
Lines Appear in the Copied Image. . . . . . . . . . .191
Moiré (Cross-Hatch) Patterns Appear in the
Copied Image. . . . . . . . . . . . . . . . . . . . . . . . . 191
An Image of the Reverse Side of the Original
Appears in the Copied Image. . . . . . . . . . . . . . 191
The Printout Problem Could Not be Cleared. . . 191
Other Printing Problems. . . . . . . . . . . . . . . . . . . 192
Printing Is Too Slow. . . . . . . . . . . . . . . . . . . . . 192
Printing Slows Down Dramatically During
Continuous Printing. . . . . . . . . . . . . . . . . . . . .192
Cannot Cancel Printing from a Computer
Running Mac OS X v10.6.8. . . . . . . . . . . . . . . . 192
Cannot Start Scanning. . . . . . . . . . . . . . . . . . . . . 193
Scanned Image Problems. . . . . . . . . . . . . . . . . . . 194
Contents
Uneven Colors, Dirt, Spots, and so on Appear
when Scanning from the Scanner Glass. . . . . . . 194
Straight Lines Appear when Scanning from
ADF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
The Image Quality Is Rough. . . . . . . . . . . . . . . 194
Offset Appears in the Background of Images. . . 194
Text is Blurred. . . . . . . . . . . . . . . . . . . . . . . . . 195
Moiré Patterns (Web-Like Shadows) Appear. . . 195
Cannot Scan the Correct Area on the
Scanner Glass. . . . . . . . . . . . . . . . . . . . . . . . . .195
Text is Not Recognized Correctly when
Saving as a Searchable PDF. . . . . . . . . . . . . . . . 196
Cannot Solve Problems in the Scanned Image. . 196
Other Scanning Problems. . . . . . . . . . . . . . . . . . . 197
Scanning Speed Is Slow. . . . . . . . . . . . . . . . . . .197
Cannot Send the Scanned Image by Email. . . . . 197
Scanning Stops when Scanning to PDF/
Multi-TIFF. . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Problems when Sending and Receiving Faxes. . . . .198
Cannot Send or Receive Faxes. . . . . . . . . . . . . .198
Cannot Send Faxes. . . . . . . . . . . . . . . . . . . . . . 199
Cannot Send Faxes to a Specific Recipient. . . . . 199
Cannot Send Faxes at a Specified Time. . . . . . . 200
Cannot Receive Faxes. . . . . . . . . . . . . . . . . . . . 200
Cannot Save Received Faxes to a Memory
Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Memory Full Error Occurs. . . . . . . . . . . . . . . . 200
Sent Fax Quality Is Poor. . . . . . . . . . . . . . . . . . 201
Faxes Are Sent at the Wrong Size. . . . . . . . . . . .201
Received Fax Quality Is Poor. . . . . . . . . . . . . . .202
Received Faxes Are Not Printed. . . . . . . . . . . . 202
Pages are Blank or only a Small Amount of
Text is Printed on the Second Page in
Received Faxes. . . . . . . . . . . . . . . . . . . . . . . . . 202
Other Faxing Problems. . . . . . . . . . . . . . . . . . . . .202
Cannot Make Calls on the Connected
Telephone. . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Answering Machine Cannot Answer Voice
Calls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Sender's Fax Number Not Displayed on
Received Faxes or the Number Is Wrong. . . . . . 203
Other Problems. . . . . . . . . . . . . . . . . . . . . . . . . . 203
Slight Electric Shock when Touching the
Printer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .203
Operation Sounds Are Loud. . . . . . . . . . . . . . . 203
The Date and Time Are Incorrect. . . . . . . . . . . 203
Memory Device Is not Recognized. . . . . . . . . . 204
Cannot Save Data to a Memory Device. . . . . . . 204
Application Is Blocked by a Firewall (for
Windows Only). . . . . . . . . . . . . . . . . . . . . . . . 204
"!" Is Displayed on the Photo Selection Screen. . 204
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