Zebra ZT600 Series User Manual

Diagnostics and Troubleshooting
236
Missing Print
Issue Possible Cause Recommended Solution
Long tracks of
missing print on
several labels
Print element damaged. Call a service technician.
Wrinkled ribbon. See wrinkled ribbon causes and solutions in
Ribbon Issues on page 238.
Loss of Registration
Issue Possible Cause Recommended Solution
Loss of printing
registration on labels.
Excessive vertical
drift in top-of-form
registration.
The platen roller is dirty. Clean the printhead and platen roller. See
Clean the Printhead and Platen Roller
on page 200.
Media guides are positioned
improperly.
Ensure that the media guides are properly
positioned. See Load the Media on page 17.
The media type is set
incorrectly.
Set the printer for the correct media type
(gap/notch, continuous, or mark). See MEDIA
TYPE onpage96.
The media is loaded
incorrectly.
Load media correctly. See Load the Media
on page 17.
Misregistration/skips
labels
The printer is not calibrated. Calibrate the printer. See Calibrate the Ribbon
and Media Sensors on page 181.
Improper label format. Check your label format and correct it as
necessary.
Misregistration and
misprint of one to
three labels
The platen roller is dirty. Clean the printhead and platen roller. See
Clean the Printhead and Platen Roller
on page 200.
Media does not meet
specifications.
Use media that meets specifications. See
Media Specifications onpage269.
Vertical drift in top-of-
form position
The printer is out of
calibration.
Calibrate the printer. See Calibrate the Ribbon
and Media Sensors on page 181.
The platen roller is dirty. Clean the printhead and platen roller. See
Clean the Printhead and Platen Roller
on page 200.

Zebra ZT600 Series Specifications

General

Print Method	Thermal Transfer/Direct Thermal
Print Resolution	203 dpi/8 dots per mm; 300 dpi/12 dots per mm
Maximum Print Width	4.09 in./104 mm
Maximum Print Speed	14 ips (356 mm/s) for 203 dpi, 12 ips (305 mm/s) for 300 dpi
Media Sensors	Reflective and Transmissive
Communication	USB, Serial, Ethernet, Bluetooth
Memory	512 MB Flash
Operating Temperature	5°C to 40°C