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Unit 6: Maintenance
Lt408 Operator Manual
6-5 PN: 9001152A
ADJUSTMENT PROCEDURES
This unit covers all of the printer and printer accessory adjustments. These adjustments include mechanical
adjustments required following the replacement of components and assemblies, in addition to, the operational
adjustments required following a job change.
PRINT HEAD ALIGNMENT
Print head position has a direct impact on print quality. The print head must be parallel with the platen roller for the
printed image to be consistent across the label.
To adjust the alignment, test print a label, loosen the set screw, slightly move the adjustment plate to the right or
left as deemed necessary to align the print head with the roller, and reprint a label. Repeat the process until proper
printing is achieved and then retighten the set screw while holding the adjustment plate in position.
Figure 6-4, Print Head Alignment
CAUTION: THE PURPLE KNOB HASN’T ANYTHING TO DO WITH PRINT HEAD
ALIGNMENT. PULLING ON THIS KNOB WILL RELEASE THE PRINT HEAD.
Set Screw
Print Head
Adjustment Plate
Print Head Latch