Epson WorkForce WF-7830 Series User Manual page 193

Solving Problems
The Date and Time Are Incorrect
Error occurred in power supply.
Solutions
After a power failure caused by a lightning strike or if the power is left off for a long time, the clock may
show the wrong time. Set the date and the time correctly in Settings > General Settings > Basic Settings
> Date/Time Settings on the control panel.
The Root Certificate Needs to be Updated
The root certificate has expired.
Solutions
Run Web Config, and then update the root certificate.
Cannot Cancel Printing from a Computer Running Mac OS X v10.6.8
There is a problem with your AirPrint setup.
Solutions
Run Web Config, and then select Port9100 as the Top Priority Protocol setting in AirPrint Setup. Select
System Preferences from the Apple menu > Printers & Scanners (or Print & Scan, Print & Fax), remove
the printer, and then add the printer again.
"Application for Configuring Printer Operations (Web Config)" on page 266
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Forgot Your Password
You need help from service personnel.
Solutions
If you forget the administrator's password, contact Epson support.
Copies are Made or Faxes are Sent Unintentionally
Foreign objects are touching the optical touch panel.
Solutions
Select Settings > General Settings > Basic Settings > Wake from Sleep, and then turn off Wake with
LCD Screen Touch. The printer will not return from sleep mode (power saving) until you press the
button.
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The Printer Does Not Work as Expected
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Cannot Operate the Printer as Expected
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