Epson WorkForce Pro WF-C879RBAM - Page 274

During bidirectional (or high speed) printing, the print head prints while moving in both directions, and
vertical lines may be misaligned. Disabling this setting may slow down printing speed but improve print
quality.
❏ Control panel
Select Settings > General Settings > Printer Settings, and then disable Bidirectional.
❏ Windows
Clear Bidirectional Printing on the printer driver’s More Options tab.
❏ Mac OS
Select System Preferences from the Apple menu > Printers & Scanners (or Print & Scan, Print &
Fax), and then select the printer. Click Options & Supplies > Options (or Driver). Select O as the
Bidirectional Printing setting.
Printouts are Blank or Only Some Lines are Printed
The print head nozzles may be clogged.
Solutions
Try Power Cleaning.
& “Running Power Cleaning” on page 173
The print settings and the paper size loaded in the printer are
dierent.
Solutions
Change the print settings according to the paper size loaded in the paper cassette. Load paper in the
paper cassette that matches the print settings.
Multiple sheets of paper are fed into the printer at the same time.
Solutions
See the following to prevent multiple sheets of paper being fed into the printer at the same time.
& “Several Sheets of Paper are Fed at a Time” on page 207
Solving Problems > Printing, Copying, Scanning, and Faxing Quality is Poor > Print Quality is Poor
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