Pf Band Adjustment - Epson Stylus CX4900 Service Manual

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

5.2.16 PF Band Adjustment

Procedure
1. Load an A4-sized plain paper on the ASF.
2. Select "PF Adjustment" from the adjustment program.
3. Click [Print] to print the PF band adjustment pattern.
4. Examine the printed pattern from the group with a minus value and select a
value for the first group of blocks that has no gap or overlap.
5. Click [Input] to write the selected adjustment value.
Supplement
If none of the groups satisfy the OK level, input a value for the least worst
group and print the pattern again to repeat the adjustment.
PF band adjustment Black
-1
0
1
Figure 5-13. PF Band Adjustment Pattern
C H E C K
Sample of OK and NG patterns
P O I N T
NG
ADJUSTMENT
PF band adjustment Color
-1
0
1
NG OK
Adjustment by Using Adjustment Program
Revision A
181