Check Nozzle; Check Nozzle Screen; Check Results - Epson Stylus Pro 4400 Service Manual

EPSON Stylus Pro 4400/4450/4800/4880/4880C

5.5 Check Results

5.5.1 Check Nozzle

This checks whether or not each of the head nozzles is jetting ink normally. If
nozzle ink jetting is abnormal, execute cleaning and check the nozzles again.
Paper Used
Size: 17"
Type: Enhanced Matte Roll Paper
Procedure
1. Turn the printer on.
2. Start the adjustment program and select [Check Nozzle].
3. Click the [Run] button and print the nozzle check pattern.
4. Check that there is no dot missing on the pattern.
5. If there is no dot missing, click the [Finish] button to finish the check
nozzle.
If there is dot missing, execute cleaning and then print the check
pattern and check it again.
Adjustment
Figure 5-92. Check Nozzle Screen
Figure 5-93. Nozzle Check Pattern
Check Results
Revision C
436