Epson Stylus Scan 2000 Service Manual

EPSON Stylus Scan 2000
Revision A
Troubleshooting
Repair of the Printer Mechanism
68
Abnormal printing
Only a particular dot
causes abnormal printing.
Print head surface is not
clean.
(dot missing)
Perform the cleaning operation several times
and check printing.
Perform the cleaning.
The head unit is defective.
Perform the cleaning operation several times
and check printing.
If condition does not improve even after
the cleaning, replace the head.
Capping absorber is touching
the head surface.
Check the head absorber visually.
Replace the head absorber if it is
deformed.
A dot is not printed
occasionally.
Print head surface is not
clean. (dot-missing)
Perform the cleaning operation several times
and check printing.
Perform the cleaning.
The head FFC is disconnected
inside.
Check the FFC by using a tester. Replace the head FFC.
The head FFC is out of
connection.
Check if the head FFC on the board or carriage
is connected surely.
Connect the FFC properly.
The head unit is detective.
Perform the cleaning operation several times
and check printing.
If condition does not improve even after
the cleaning, replace the head.
I/C is defective. Install the new I/C and perform self-test. Replace I/C.
Black specks or dots.
The head FFC is out of
connection.
Check if the head FFC on the board or carriage
is connected surely.
Connect the FFC properly.
The head unit is detective. Check connection with the head FFC.
Replace the head if there is no
connection problem with the FFC.
A vertical line is not
aligned.
Bi-directional alignment is
not adjusted.
Perform Bi-D adjustment. Refer to Chapter4.
White line appears in the
image data.
Head angle is not correct. Perform head angle adjustment. Refer to Chapter4.
Platen gap is not correct. Perform platen gap adjustment. Refer to Chapter4.
Dot shooting direction is tilted
because head surface is not
clean
Perform the cleaning operation several times
and check printing.
Perform the cleaning operation.
I/C is defective. Install a new I/C and perform the self-test. Replace I/C.
Head unit is defective.
Perform the cleaning operation several times
and check printing.
Replace the head unit.
Table 3-3. Repair of the Printer Mechanism (continued)
Symptom Condition Cause Check Point Solution

Epson Stylus Scan 2000 Specifications

General

Brand	Epson
Model	Stylus Scan 2000
Category	All in One Printer
Language	English