Citizen CL-E700 series Technical Manual page 158

Chapter 4 Troubleshooting
4-2. Troubleshooting
Symptoms
Poor printing
Uneven print density
CL-E700 series
Checks
1. The "SA Head" is dirty.
2. Head offset adjustment is improper.
3. Is the printing density set to an optimal
condition?
4. Is +24V DC supplied to the "SA Main
PCB" (at pins 6 to 9 of J13)?
J2
J5
J13
9
1
Front
To Unit Power Supply
[Bottom right of the "SA Main PCB"]
1. Head balance is improper.
Uneven printing density may be
observed either on the right side or the
left side.
2. Is the printing density set to an optimal
condition?
1. Clean the head surface with the
specified head cleaner.
2. Adjust the media thickness
adjustment dial according to media
thickness to be used.
3. Adjust the printing density.
4. Replace the "Unit Power Supply".
1. Adjust the media width adjustment
dial to suit to the media width to be
used.
2. Adjust the printing density.
4-8
Remedies