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170PAX4 Maintenance Manual
57518L-001 Rev. A
3/18/05
Preventive and Corrective Maintenance
Printed Circuit Boards—AC Power Supply
AC Power Supply
This procedure is for installing the AC power supply board. Read these instructions 
thoroughly prior to installing this assembly.
Tools Required
Installation Instructions
Remove the Print Engine from the Applicator
1.
Refer to 
 and remove the print engine from the applicator and open 
the rear enclosure.
Remove the AC Power Supply Board Assembly
1.
. From the back of the mainframe, remove the two screws holding the 
control panel assembly.
2.
Move the control panel assembly to the side to provide access to the upper mounting 
screw for the AC power supply assembly.
Caution • A qualified service technician must perform this installation.
‰ Phillips Screwdriver Set
‰ Anti-Static Wriststrap and Mat
‰ Metric Hex Key (Allen Wrench) Set