Zebra 49834 User Manual
Preventive and Corrective Maintenance
Corrective Maintenance—Print Quality Adjustments
57518L-001 Rev. A
3/18/05
170PAX4 Maintenance Manual
141
Print Quality Adjustments
Printhead Adjustments
There are five interrelated adjustments for obtaining optimum print quality and increased
printhead life:
printhead life:
•
printhead parallelism
•
printhead balance
•
printhead position
•
printhead pressure
•
strip plate position
The illustrations and adjustment procedures reference a right-hand print engine. Left-hand
print engine positions and rotations are in the opposite direction.
print engine positions and rotations are in the opposite direction.
To achieve optimum results with print quality adjustments, install full-width media and ribbon.
Important •
Excessive toggle pressure leads to increased printhead wear and decreased
printhead life. Increase printhead life by combining minimum toggle pressure and optimum
printhead position over the platen roller.
printhead position over the platen roller.
Note •
Verify the media and ribbon are properly matched and darkness/print speed
configurations are correct for the application before performing any mechanical adjustments.