Epson Stylus Pro 7880 ColorBurst Troubleshooting Guide download pdf (Page 8)

Epson Stylus Pro 7880/9880

10/07 Epson Stylus Pro 7880/9880 - 8

Once the cartridge is installed, the printer returns to its

READY

state.

Paper Type and Banding

Banding can be caused by several problems, such as clogged

print head nozzles or a misaligned print head. It can also be

caused by using a paper that is not defined in the Epson

printer driver or in a third-party RIP. To correct this problem,

make sure you select the correct paper type in the driver. See

“Selecting the Correct Media Type Setting” in the User’s

Guide or Printer Guide.

If your paper type is not defined, use the printer’s menu

system to create a custom paper type. See “Optimizing the

Settings for Your Paper” in the User’s Guide or Printer Guide.

Checking and Cleaning the Print Head

If your printed image shows a color shift or horizontal lines,

you should check the print head to see if any nozzles are

clogged or deflected. If necessary, the printer will

automatically run a cleaning cycle to clear the nozzles.

1. Press the

Menu button.

2. Press the d button until

TEST PRINT is highlighted, then

press

Menu. NOZZLE CHECK is selected.

3. Press

Menu, then press to start printing the nozzle check

pattern.

The nozzle check pattern is printed and automatically read. If

the printer finds clogged nozzles, it runs a cleaning cycle.

Caution:

Don’t run a cleaning cycle while thick media is loaded in the printer.

Note: You can run a cleaning cycle by holding down the Menu button

for three seconds. You also can check and clean the print head using

your printer utility software. See the User’s Guide for instructions.

Running a Power Cleaning Cycle

You can run a power cleaning cycle from the control panel if

the normal cleaning process is not sufficient to clear the

nozzles. However, the power cycle uses a large quantity of ink,

so it is recommended only as a last resort.

The cartridges need to be at least 50% full to use power

cleaning. You may need to replace a low cartridge to run the

cleaning cycle. After cleaning, you can reinsert the old

cartridge.

1. Print a nozzle check to make sure the print head needs

cleaning. See User’s Guide for instructions.

2. Make sure the printer is ready and the red B Ink light on the

printer’s LCD display is not on or flashing.

3. Press the Menu button.

4. Press the d button until

MAINTENANCE is highlighted,

then press Menu.

5. Press d until

POWER CLEANING is highlighted, then

press

Menu. Press Menu again, then press to start the

power cleaning.

6. Follow the instructions on the LCD display to raise or lower

the ink levers.

7. When cleaning is finished and the

Pause light stops

flashing, print the nozzle check again to confirm that the

head is clean.

For effective cleaning, always run a nozzle check between

cycles.

If the pattern is still missing segments or has deflections

after a power cleaning cycle, turn the printer off and leave it

overnight. Then clean the print head again the following

morning with regular cleaning cycles. If you still see no

improvement, contact Epson for assistance.

Aligning the Print Head

Aligning the print head is the most important thing you can

do to ensure the best print quality. If banding appears on your

prints, if they look grainy or blurry, or if you see

misregistration or “ghosting,” you may need to align the print

head.

Although you can align the print head using the printer utility

software, it’s also easy to align from the printer’s control panel.

This will do the most thorough job in the shortest time, and

it’s all automatic.

If you haven’t already done so, it’s a good idea to run a nozzle

check before aligning the print head (see User’s Guide). This

ensures that the print head alignment patterns print correctly.

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Epson Stylus Pro 7880 ColorBurst Troubleshooting Guide Page 8

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