Symptoms For Other Operations - Epson TM-U220 Series Service Manual

Confidential

Symptoms for other operations

Parts do not move smoothly
Cannot take up the roll paper smoothly
Table 3-27 Opening and Closing the Roll Paper Cover Assembly is not Smooth
Probable part/probable cause Checkpoints
Paper take-up shaft assembly
(134)
Take-up belt (523)
Cannot open and close he ribbon cover smoothly
Table 3-28 Opening and Closing the Ribbon Cover is not Smooth
Probable part/probable cause Checkpoints
Ribbon cover (109)
Cannot open and close the roll paper cover assembly smoothly
Table 3-29 Opening and Closing the Roll Paper Cover Assembly is not Smooth
Probable part/probable cause Checkpoints
Frame rotation spacer (1050)
Rotation springs
Platen release spring (1056)
Hook spring C (1092)
The case is dirty
Use a dry cloth or one lightly moistened with water to clean case. Be sure to disconnect the
power cord from the wall outlet before doing this.
Avoid using alcohol, benzene, thinner, trichloroethylene, or ketone-based substances to remove
dirt or foreign matter from the printer, because these substances can affect or damage plastic and
rubber parts.
3-20 Troubleshooting
Confirm that the paper take-up assembly
is attached correctly. Make sure parts are
located in the correct positions.
Confirm that the belt is attached and has
no defects, such as wear and
deformation. Be sure the belt is located in
the correct position.
Confirm the condition of 2 projections
on the cover. Make sure neither is
broken.
Confirm that the spacer is fixed. Make
sure it is located in the correct position.
Confirm spring attachment. Make sure
they are located in the correct positions.
Confirm spring attachment. Make sure it
is located in the correct position.
Confirm spring attachment. Make sure it
is located in the correct position.
Action to correct the problem
Confirm that the paper take-up shaft
assembly (134) is attached correctly.
Completed if the paper is taken up
correctly when you press the paper
FEED button.
Confirm that the take-up belt (523) is
attached correctly. Completed if the
belt is driven correctly.
Action to correct the problem
Replace the ribbon cover (109).
Completed if the cover opens and
closes smoothly.
Action to correct the problem
Confirm that the frame rotation
spacer is attached correctly.
Completed if cover opens and closes.
Confirm that rotation spring R (1006) is
attached correctly. Completed if
cover opens and closes.
Confirm that the platen release spring
(1056) is attached correctly.
Completed if cover opens and closes.
Confirm that hook spring C (1092) is
attached correctly. Completed if
cover opens and closes.
Rev. B