Black Head Angle Adjustment - Epson Stylus 1500 Service Manual

Adjustments

4.1.4 Black Head Angle Adjustment

The black head angle adjustment is needed when the black head is replaced or disassembled. If this
adjustment is not correct, a white banding problem may occur, or the color head timing may not match the
black head timing. The following figure illustrates the black head angle adjustment. Adjust the black head
angle using the adjust lever. The lever has an eccentricity toward the fulcrum of the lever. When you move
the lever toward the front or back, the lever shaft pushes the printhead toward the front or back. Then the
black head is swung right or left. This motion makes the head angle adjustment.
Figure 4-4. Black Head Angle Adjustment
The program produces an adjustment pattern. Refer to the pattern to perform the adjustment with the lever.
1. Connect a PC to the target printer using a parallel interface cable, and turn the printer on.
2. Load BASIC, and run the program ST1500.BAS. Then the main menu appears, as shown below.
Customer Data
Printer Setting[********]
3. Using Table 4-3, input the appropriate 8-digit ID number for the destination as the printer setting for
"Customer Data." (For example, EAI: 20000A00 ). Then the main menu appears, as shown below.
Stylus 1500
Customer Data <********> 95/**/**
<< Menu 1 >>
Head Data Writing
-----------------
Black Head Angle Adj.
Uni-D Adj.
Bi-D Adj.
Color Head Angle Adj.
Select:<Up> or <Down> Go:<SPACE> or <ENTER> Change menu:<1> or <2>
4. Move the cursor to "Black Head Angle Adj." to perform the black head angle adjustment operation by
pressing the 1, 2, , and
4-8
Angle Adjust Lever
Nozzles
Black Head PCB
keys.
Stylus 1500 Service Manual
Carriage Unit
<<Menu 2>>
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Color Ink Counter Rest
END
Destination Data Writing only
Initial Black Ink Charging
Black - Color HV Adj.
Head Gap Adj.
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Rev.A