Epson EcoTank L6550 Series User Manual

Striped Patterns Appear
The bidirectional printing setting is enabled.
Solutions
When printing on plain paper, disable the bidirectional setting.
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
High Speed Printing setting.
The print quality is set to low.
Solutions
When printing on photo paper, print using a higher quality setting.
❏ Control panel
Select Best as the Quality on the Advanced tab in print settings.
❏ Windows
Select High from Quality on the printer driver's Main tab.
❏ Mac OS
Select Fine as Print Quality from the print dialog's Print Settings menu.
The print head nozzles may be clogged.
Solutions
Use the Print Quality Adjustment feature. If you have not used the printer for a long time, the print head
nozzles may be clogged and ink drops may not be discharged.
& “Adjusting the Print Quality” on page 145
Solving Problems > Printing, Copying, Scanning, and Faxing Quality is Poor > Print Quality is Poor
236

Epson EcoTank L6550 Series Specifications

General

Print Technology	PrecisionCore Heat-Free Technology
Scanner Type	Flatbed color image scanner
Scan Resolution	1200 x 2400 dpi
Functions	Print, Copy, Scan, Fax
Fax Function	Yes
Printer Type	All-in-One
Ink Bottle Yield (Black)	7, 500 pages
Ink Bottle Yield (Color)	6, 000 pages
Fax Transmission Speed	33.6 kbps
Print Resolution	4800 x 2400 dpi
Print Speed (Black)	25 ppm
Print Speed (Color)	25 ppm
Connectivity	USB, Ethernet, Wi-Fi, Wi-Fi Direct
Duplex Printing	Yes
Mobile Printing	Apple AirPrint
Paper Sizes	A4, A5, A6, B5
Copy Speed (Black)	23 ipm
Display	4.3" Touchscreen Color LCD