Epson TM-U200 Series Technical Manual page 105

C o n fid e n tia l
Table 4-2 Troubleshooting table for bad printing (Continued)
Problem
The print color is
mixed. (Half of
the character is
black and the
other half is red.)
Color does not
change. (Black
to red or red to
black.)
Rev. A
Probable cause
The ribbon cassette is
floating.
The ribbon is placed
incorrectly.
The ribbon frame
assembly is deformed.
The ribbon is
defective.
The ribbon release
spring is unhooked or
damaged.
The ribbon frame
spring is unhooked or
damaged.
TM-U200 Series (Type A/AM) Technical Manual
Level Checkpoint
A Verify that the ribbon cassette
is mounted correctly.
A Verify that the ribbon is not
placed between the print
head mask assembly and
paper feed frame assembly.
B Verify that the ribbon frame
assembly is not deformed.
A Verify that the color of the
ribbon is not blurred, or the
ribbon is not rumpled or worm
B Verify that the ribbon release
spring is not unhooked or
damaged.
B Verify that the ribbon frame
spring is not unhooked or
damaged.
Action
Mount the ribbon cassette
in the correct position.
(See "Replacing the
Ribbon Cassette" in
Chapter 3.)
Place the ribbon between
the print head unit and
print head mask assembly.
If deformed, replace the
ribbon frame assembly.
Replace the ribbon
cassette if the ribbon is
worn or the print color is
light.
If the spring is unhooked,
hook it back on. If it is
damaged, replace it.
If the spring is unhooked,
hook it back on. If it
damaged, replace it.
Troubleshooting 4-15