Bad Print Quality - SATO S84ex Operator's Manual

7 Troubleshooting
No.
6 Is the media sensor dirty?
7 Does the interface operate correctly?
8 Is the data or signal sent from the computer
incorrect?
9 Is the print head defective?
10 Is the main (CONT) PCB defective?
7.4.4

Bad Print Quality

No.
1 Are the media and ribbon designed for use with
the printer?
2 Are the media and ribbon loaded correctly?
3 Is the tension of the ribbon correct?
4 Is the print head installed correctly?
5 Is the pressure of the print head too strong or too
weak?
6 Is the print speed too fast?
7 Is the print darkness too low or too high?
8 Is the platen roller dirty?
9 Is the print head dirty or is there a label attached
to it?
10 Is the print head defective?
286 S84-ex/S86-ex Operator Manual
What to check
What to check
Countermeasure
If the media sensor is dirty, clean it using the
cleaning kit.
For printer cleaning, refer to
Maintenance of the Print Head and Platen
Roller.
Check the interface according to the
Troubleshooting.
Power on the device again.
Check the data sent from the computer and
communication conditions.
Replace the print head and reset the counter.
Replace the main (CONT) PCB.
Contact a SATO reseller or technical service
center for replacement.
Countermeasure
Use media and ribbon designed for the printer.
Check if the media and ribbon are loaded
correctly.
Adjust the tension of the ribbon.
Install the print head correctly.
Adjust the pressure of the print head with the
head pressure adjustment dial.
Adjust the print speed.
Adjust the print darkness.
If the platen roller is dirty, clean it using the
cleaning kit.
For printer cleaning, refer to
Maintenance of the Print Head and Platen
Roller.
If the print head is dirty, clean it using the
cleaning pen. If a label is attached to the print
head, remove it.
If the glue of label is attached to the print head,
clean it using a cleaning kit.
Do not clean using a hard object. Doing so could
cause damage to the print head.
For printer cleaning, refer to
Maintenance of the Print Head and Platen
Roller.
Replace the print head and reset the counter.
Section 6.2
Interface
Section 6.2
Section 6.2