7 Troubleshooting
286
S84-ex/S86-ex Operator Manual
7.4.4
Bad Print Quality
6 Is the media sensor dirty? If the media sensor is dirty, clean it using the
cleaning kit.
For printer cleaning, refer to Section 6.2
Maintenance of the Print Head and Platen
Roller.
7 Does the interface operate correctly? Check the interface according to the Interface
Troubleshooting.
8 Is the data or signal sent from the computer
incorrect?
Power on the device again.
Check the data sent from the computer and
communication conditions.
9 Is the print head defective? Replace the print head and reset the counter.
10 Is the main (CONT) PCB defective? Replace the main (CONT) PCB.
Contact a SATO reseller or technical service
center for replacement.
No. What to check Countermeasure
1 Are the media and ribbon designed for use with
the printer?
Use media and ribbon designed for the printer.
2 Are the media and ribbon loaded correctly? Check if the media and ribbon are loaded
correctly.
3 Is the tension of the ribbon correct? Adjust the tension of the ribbon.
4 Is the print head installed correctly? Install the print head correctly.
5 Is the pressure of the print head too strong or too
weak?
Adjust the pressure of the print head with the
head pressure adjustment dial.
6 Is the print speed too fast? Adjust the print speed.
7 Is the print darkness too low or too high? Adjust the print darkness.
8 Is the platen roller dirty? If the platen roller is dirty, clean it using the
cleaning kit.
For printer cleaning, refer to Section 6.2
Maintenance of the Print Head and Platen
Roller.
9 Is the print head dirty or is there a label attached
to it?
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 Section 6.2
Maintenance of the Print Head and Platen
Roller.
10 Is the print head defective? Replace the print head and reset the counter.
No. What to check Countermeasure
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