Epson Stylus Pro 4800 Portrait Edition, Service Manual

Page: 402 / 506

EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Adjustment Basic Adjustment 402
5.3.11 Multi Sensor Adjustment for Auto Nozzle Check
This adjustment prints a special pattern and scans it with the Multi Sensor, and
then the difference between the position (drive pulses of the CR/PF Motors)
read by the Multi Sensor and the standard value is registered as the correction
value information.
In the beginning, the reading position for the primary scan direction and
secondary scan direction is adjusted. After that, the dot missing pattern and the
no dot missing pattern are printed and the automatic dot missing function is
checked.
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Paper Used
„
Size: 17"
„
Type: Enhanced Matte Roll Paper
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Procedure
1. Turn the printer on.
2. Start the adjustment program and select [Multi Sensor Adjustment for
Auto Nozzle Check].
3. Selecting [Sensor Adjustment] and clicking the [Run] button will print
the adjustment pattern.
The printed pattern is read by the Multi Sensor, the read position is
automatically corrected, and the results are printed along with the
pattern.
Figure 5-41. Multi Sensor Adjustment for Auto Nozzle Check Screen
Figure 5-42. Adjustment Pattern