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Unit 6: Maintenance
GL408-412e Operator Manual
6-3 PN: 9001163A
REPLACEMENT PROCEDURES
This chapter provides in-depth instruction on all primary component and assembly replacement, in addition to most
secondary components. Use the text in conjunction with their accompanied graphics to ensure complete
comprehension throughout the process. Especially observe all cautionary or warning notations.
PRINT HEAD REPLACEMENT
If the print head becomes damaged or worn, it can be easily removed and replaced without having to make critical
adjustments. Before replacing the print head, check the head counter values by printing a test pattern. Instructions
relating to the Head Counter may be found in the Configuration unit of this manual.
To replace the print head, press inward on the release lever, retract and disconnect the damaged print head,
connect the printer’s wiring harnesses to the replacement print head, and insert upward into the upper print
assembly. The properly installed print head will snap into position.
Figure 6-1, Print Head Replacement
CAUTION: STATIC ELECTRICITY CAN RESULT IN COMPONENT DAMAGE.
OBSERVE APPROPRIATE GROUNDING PROCEDURES WHEN REPLACING ANY
COMPONENTS.
CAUTION: EXCERCIZE CARE WHEN INSTALLING THE PRINT HEAD TO
ENSURE THAT ITS ELEMENTS ARE NOT DAMAGED DURING INSTALLATION.
Print Head Latch
Print Head
Release Lever