Checking And Cleaning The Head; Main Unit - Epson Stylus Pro 4910 Service Manual

Epson Stylus Pro 4900/Epson Stylus Pro 4910
5.4 Cleaning

5.4.1 Main Unit

CHECKING AND CLEANING THE HEAD

If the surface of the printed paper is smeared, follow the steps below to make sure the
print head surface is clean and has no foreign objects on.
1. Turn the printer ON in the Serviceman Mode.
Turn the power ON while pressing [Menu
button.
2. Select SELF TESTING → Mecha Adjustment
3. Press [OK] button while [Enter] Un Cap
The carriage unit is unlocked.
4. Remove the Front Cover. (p142)
5. Remove the Left Cover. (p137)
6. Remove the Cutter Cover. (p223)
7. Remove the Cutter. (p127)
8. Remove the Cover Holder. (Step 10
9. Set a mirror at the Full side.
10. Move the CR Unit to the Full side.
11. Light through the opening in the Cover Holder to check that the print head surface
is clean and has no foreign objects on.
12. Remove dirt or foreign objects with a cleaning stick, if any.
MAINTENANCE
], [Paper Feed ] and [OK]
→ CR Un Cap.
is displayed.
to Step 12 in 3.4.8.3 Cutter HP Sensor
CR Unit
(p226))
Cleaning
Mirror
Figure 5-2. Setting a Mirror
Cover Holder
Figure 5-3. Checking the Head Surface
Revision A
Light
414
Confidential