Epson WorkForce 1100 Service Manual page 55

WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100
Observed Faults Details of the Fault
Vertical or horizontal The printout has banding vertical
banding / Color to the CR moving direction and
shading is not evenly colored.
Direction of CR
movement
* If the trouble still occurs after
doing all measures described
in the right-hand columns,
replace the CR Motor with a
new one.
Narrow stripes of the same width
appear horizontally to the CR
moving direction.
Direction of CR
movement
* If the trouble still occurs after
doing all measures described
in the right-hand columns,
replace the PF Motor with a
new one.
Troubleshooting
Table 3-12. Print Quality Troubles
Faulty Part/
Part Name
Adjustment 1. For printing in the Bi-D mode, check that the Bi-D Adjustment
has been performed properly.
Print Head 1. Run a Nozzle Check, and check the printed pattern if it has
broken lines or missing segments.
Carriage Shaft 1. Check the surfaces of the Carriage Shaft for foreign matter.
2. Check that the Carriage Shaft is fully lubricated with grease.
3. Check that the Carriage Shaft is mounted horizontally.
4. Check the Carriage Shaft for damages.
Printer Driver and 1. Check if appropriate paper is used in accordance with the Printer
the Paper Driver settings.
Print Head 1. Run a Nozzle Check, and check the printed pattern if it has
broken lines or missing segments.
PF Roller Shaft 1. Check the surface of the PF Roller Shaft for foreign matter.
2. Check the PF Roller Shaft for damages.
Overview
Check Point
Revision C
Remedy
1. Perform Bi-D Adjustment to eliminate
displacements between the upper and lower
lines.
Refer to Chapter 5 ?Adjustment?.
1. Perform the Head Cleaning, then check the
Nozzle Check Pattern.
Refer to Chapter 5 ?Adjustment?.
If the trouble still occurs, replace the Print Head
with a new one.
1. Remove foreign matter from the Carriage Shaft.
2. Wipe the grease applied to the Carriage Shaft
with a dry, soft cloth, and then apply G-71
grease.
Refer to Chapter 6 ?Maintenance?.
3. Reassemble the Carriage Shaft correctly.
4. Replace the Carriage Shaft with a new one.
1. Use the appropriate type of paper in accordance
with the Printer Driver.
1. Perform the Head Cleaning, then check the
Nozzle Check Pattern.
Refer to Chapter 5 ?Adjustment?.
If the trouble still occurs, replace the Print Head
with a new one.
1. Clean the PF Roller surface carefully.
2. Replace the PF Roller with a new one.
Confidential
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