Bi-D Adjustment; Initialize Pf Deterioration Offset; Disenable Pf Deterioration Offset; Cr Offset - Epson Stylus CX4900 Service Manual

EPSON Stylus CX4900/CX4905/CX5000/DX5000/DX5050/CX5900/CX6000/DX6000/DX6050

5.2.11 Bi-D adjustment

C H E C K
Be sure to close the Scanner unit before performing Bi-D Adjustment.
P O I N T
Adjustment procedure
1. Set Normal Paper A4/Letter on the Paper Support.
2. Select "Bi-D adjustment" in the Adjustment Program.
3. Click the [Print] button to print the Bi-D adjustment pattern.
4. Check the printed patterns and select a pattern number that has the least
amount of misalignment in each of the VSD dots.
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.
OK pattern NG pattern
Figure 5-5. Bi-D Adjustment Printing Pattern
ADJUSTMENT
[Judging Standard]
The block patterns should align without gap and
overlapping.
Adjustment by Using Adjustment Program

5.2.12 Initialize PF Deterioration Offset

Adjustment procedure
1. Select "Initialize PF deterioration offset" in the Adjustment Program.
2. Click the [Initialization] button to initialize the PF deterioration offset value.

5.2.13 Disenable PF Deterioration Offset

Adjustment procedure
1. Select "Disenable PF deterioration offset" in the Adjustment Program.
2. Click the [Input] button to input the maximum value (3,000) of the PF
deterioration offset value.

5.2.14 CR Offset

Adjustment procedure
1. Select "CR motor heat protection control" in the Adjustment Program.
2. Check each box of the replaced parts/units checklist and then click the
[Perform] button.
3. A dialogue box will be displayed, and click the [OK] button in the box.Market
destination setting
Revision A
178