Epson Stylus DX4850 Service Manual

EPSON Stylus CX4100/CX4200/CX4700/CX4800/DX4200/DX4800/DX4850 Revision A
ADJUSTMENT Adjustment by Using Adjustment Program 177
5.2.9 PW Sensor Adjustment
 Adjustment procedure
1. Set Photo Paper A4/Letter on the Paper Support.
2. Select “PW adjustment” in the Adjustment Program.
3. Click the [Print] button to print the PW adjustment pattern.
4. Check the printed patterns and select a pattern number that has 5mm margins
from the paper edges.
5. Click the [Input] button to write the adjustment value of checked items.
 [Treatment procedure for NG product]
1. Replace the PW Sensor with new one again.
2. Print the check pattern, and check the adjustment result.
3. If the result is NG level, confirm the installation condition of removed parts
during disassembly.
4. Perform Step 2 again.
Figure 5-3. PW adjustment Printing Pattern
5.2.10 Head Angular Adjustment
 Adjustment procedure
1. Set Normal Paper A4/Letter on the Paper Support.
2. Select “Head angular adjustment” in the Adjustment Program.
3. Click the [Print] button to print following two head angular check patterns.
• Band pattern
• Raster offset pattern
4. Check the printed patterns and select a pattern number that has the least
amount of misalignment.
5. Click the [Input] button to write the adjustment value of checked items.
6. Print the check pattern again, and check the adjustment result.
 [Treatment procedure for NG product]
1. Replace the Print Head with new one again.
2. Print the check pattern, and check the adjustment result.
3. If the result is NG level, confirm the installation condition of removed parts
during disassembly.
4. Perform Step 2 again.
[Judging Standard]
Top / Bottom / Right / Left: 5mm

Epson Stylus DX4850 Specifications

General

Brand	Epson
Model	Stylus DX4850
Category	Printer
Language	English