Epson 3800 Service Manual - Page 84

Symptom, Description, Remedy - head replacement

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EPSON Stylus Pro 3800/3800C/3850 Symptom Vertical banding (overall) Description Bi-D and Uni-D adjustments have not been carried out properly. The carriage unit cannot move smoothly. Remedy Carry out the Auto Bi-D and the Auto Uni-D adjustments. See Chapter 5 "ADJUSTMENT". Check the CR timing belt, and replace it if worn. Check the CR motor is correctly installed. Revision A Image is grainy The adjustments have not been carried out properly. Carry out the Print Head Slant Adjustment (PF). See Chapter 5 "ADJUSTMENT". Carry out the Print Head Slant Adjustment (CR). See Chapter 5 "ADJUSTMENT". Carry out the PF Adjustment. See Chapter 5 "ADJUSTMENT". Carry out the Auto Bi-D and the Auto Uni-D adjustments. See Chapter 5 "ADJUSTMENT". Carry out the PG Position Adjustment. See Chapter 5 "ADJUSTMENT". TROUBLE SHOOTING Remedies for Print Quality Troubles 84

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EPSON Stylus Pro 3800/3800C/3850
Revision A
TROUBLE SHOOTING
Remedies for Print Quality Troubles
84
Vertical banding (overall)
Bi-D and Uni-D adjustments have not been carried out properly.
Carry out the Auto Bi-D and the Auto Uni-D adjustments.
See Chapter 5 "ADJUSTMENT".
The carriage unit cannot move smoothly.
Check the CR timing belt, and replace it if worn.
Check the CR motor is correctly installed.
Image is grainy
The adjustments have not been carried out properly.
Carry out the Print Head Slant Adjustment (PF).
See Chapter 5 "ADJUSTMENT".
Carry out the Print Head Slant Adjustment (CR).
See Chapter 5 "ADJUSTMENT".
Carry out the PF Adjustment.
See Chapter 5 "ADJUSTMENT".
Carry out the Auto Bi-D and the Auto Uni-D adjustments.
See Chapter 5 "ADJUSTMENT".
Carry out the PG Position Adjustment.
See Chapter 5 "ADJUSTMENT".
Symptom
Description
Remedy