Datasheet
Page 3-6 S400/S600 Maintenance Manual 44895L Rev. 3 3/15/04
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Table 3-3. Troubleshooting Chart (Problems with LED Indications)
Symptom Diagnosis Action
Dots missing in printed
area of label.
Dirty printhead. Clean printhead.
Print quality problems. Check print quality.
Printhead element going
bad.
Replace printhead.
Loss of printing
registration on labels.
Possible media sensor
problem.
Adjust media sensor.
Replace media sensor.
Printer set for non-
continuous media, but
continuous media loaded.
Set printer for correct media.
Loss of printing
registration on labels (for
Peel-Off Mode).
Improperly adjusted
media edge guides or
power roller.
Check edge guides and power roller.
Adjust as necessary.
Vertical drift in top-of-form
registration.
Incorrect media loading
or media sensor
adjustments.
Reload media or adjust sensors as
necessary.
Light vertical lines
approximately 0.006"
(0.15 mm) wide running
through all labels
Dirty printhead or ribbon
rollers.
Clean printhead and ribbon rollers.
Defective printhead
elements.
Replace printhead.
Light printing or no
printing on left or right
side of label.
Printhead pressure needs
balancing.
Perform printhead balance adjustments.
Short printed lines at 45°
to label edge on left or
right side of label.
Too much printhead
pressure.
Reduce toggle pressure.
Truncated print, no print,
or FEED operates
incorrectly while using
non-continuous media.
Media or ribbon
improperly loaded.
Reload media or ribbon.
Incorrect media sensor
position or sensitivity.
Adjust media sensor.
Fine gray lines on blank
labels at angles.
Wrinkled ribbon.
See “Troubleshooting Chart
(Wrinkled Ribbon)” on page 3-8.
Misregistration and
misprint of one to three
labels.
Media pulled when motor
not moving.
Open and close printhead so it
calibrates to find label length.
Incorrect media sensor
position or sensitivity.
Adjust media sensor.
Auto-calibrate failed. Perform manual calibration.
When using ribbon wider
than 2.4" (61 mm), image
gets lighter or smears
near end of roll of ribbon.
Ribbon appears to slow
down or stop.
Too much back tension
on ribbon.
Adjust dual-tension ribbon supply
spindle to provide low tension by
pushing in spindle end-cap.