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Corrective Maintenance—Routine Referral Procedures (RRPs)

57518L-001 Rev. A

3/18/05

170PAX4 Maintenance Manual

153

Routine Referral Procedures are commonly used steps that are performed often during 
corrective maintenance. These procedures are referenced throughout this section of the 
manual.

Turn Off (O) the print engine and disconnect the AC power cord and interface cables.

Open the front cover, unlatch the printhead lever, and remove media and ribbon from the 
print engine.

Close and latch the printhead lever, and then close the front cover.

. Remove the four corner mounting screws securing the print engine to the 

applicator.

Loosen, but do not remove the center mounting bolt.

To remove the print engine from the applicator, lift the print engine off the center 
mounting bolt and place on a workbench.

Caution • Turn OFF (O) the printer and disconnect it from the power source before 
performing the following maintenance.

Retain all parts removed during disassembly, unless otherwise directed. 

The keyhole and the center mounting bolt are designed to support the print engine 

and assist in installing and removing the four mounting screws.