Epson SC-p400 series User Manual

Maintenance
Adjusting the Print Head
You need to adjust the print head if white lines appear in
your print outs or if you notice the print quality has
declined. You can perform the following printer
maintenance functions for maintaining the print head
in good condition to ensure the best print quality.
Carry out appropriate maintenance depending on the
print results and situation.
Checking for clogged nozzles
This function checks for clogged nozzles in the print
head. If the print head nozzles are clogged, print results
may include banding or unusual colors. Should you
notice such phenomena, check for clogged nozzles and
perform head cleaning if clogged nozzles are found.
U “Checking for clogged nozzles” on page 77
Head Cleaning
Perform head cleaning if you notice banding or gaps in
the print results. Head cleaning cleans the surface of the
print head to improve the print quality.
U “Head Cleaning” on page 78
Ink Density Optimization
Eliminates inconsistencies in ink density within the
cartridges for consistent color reproduction.
U “Ink Density Optimization” on page 79
Adjusting the print head position (Print Head
Alignment)
If the print results appear grainy or out of focus, perform
Print Head Alignment. The Print Head Alignment
function corrects print misalignments.
U “Correcting Print Misalignment (Print Head
Alignment)” on page 80
Checking for clogged nozzles
Print a nozzle check pattern to check if the print head
nozzle is clogged.
If the check pattern appears faint or contain gaps, the
nozzles are clogged. Perform head cleaning to clear any
clogged nozzles.
Nozzle checks can be performed using either of the
following methods. Load plain A4 paper in the auto
sheet feeder. This feature is not available for other
feeding methods.
❏ From the computer
❏ From the control panel
From the computer
Explanations in this section use the Windows printer
driver as an example.
Use Epson Printer Utility 4 for Mac OS X.
U “Using Epson Printer Utility 4” on page 40
A
Place regular A4 paper in the auto sheet feeder.
U “Loading Paper into the Auto Sheet Feeder”
on page 19
B
Click Nozzle Check from the Utility tab in the
printer driver's Properties (or Print Settings)
screen.
Follow the on-screen instructions.
From the control panel
A
Place regular A4 paper in the auto sheet feeder.
U “Loading Paper into the Auto Sheet Feeder”
on page 19
SC-P400 Series User's Guide
Maintenance
77

Epson SC-p400 series Specifications

General

Brand	Epson
Model	SC-p400 series
Category	Printer
Language	English