Epson Stylus Pro Service Manual page 65

Disassembly and Assembly
r When removing or changing the black head, you need to make the following adjustments:
1. Black head angle adjustment (See Section 4.1.4)
2. Black - Color head vertical adjustment (See Section 4.1.5)
3. Head gap adjustment (See Section 4.1.3)
4. Bi-D alignment adjustment (See Section 4.1.2)
r When removing or changing the color head, you need to make the following adjustments:
1. Color head angle adjustment (See Section 4.1.6)
2. Black - Color head vertical adjustment (See Section 4.1.5)
3. Head gap adjustment (See Section 4.1.3)
4. Bi-D alignment adjustment (See Section 4.1.2)
r When removing or changing both heads, the following adjustments are needed.
1. Color head angle adjustment (See Section 4.1.6)
2. Black head angle adjustment (See Section 4.1.4)
3. Black - Color head vertical adjustment (See Section 4.1.5)
4. Head gap adjustment (See Section 4.1.3)
5. Bi-D alignment adjustment (See Section 4.1.2)
r When removing the color or black head, do not lose the spacer that is fixed to each head. This
spacer modifies the angle error that occurs during manufacturing. Also, this spacer is different
from the linear spacer or angular spacer. (See Chapter 4.)
3-10
Printhead Nozzles
R, M
Color Printhead
Monochrome Printhead
R: Normal Dot Resistance Value
M: Micro Dot Resistance Value
Figure 3-10. Printhead Resistance Value
Spacer
Black Head
Figure 3-11. Head Spacer Position
Stylus Pro Service Manual
Head Nose
Rev.A