User`s manual

Installation Instructions
This kit includes the parts necessary to install the RK18450-001 Motor and Gear
Kit in the MZ 320 model printer. Read these instructions thoroughly before
attempting to install this kit.
Reference Materials
UMAN-MZS MZ Series Users’ Guide
Tools Required
• #1 Phillips head screwdriver
Cautions
Caution • This installation must be performed only by a qualified service technician.
Unless otherwise specified, always turn the printer off before performing any repair procedures.
MZ 320 MOTOR AND GEARS REPLACEMENT KIT
RK18450-001
You must use an ESD strap and work at a properly grounded workstation (antistatic mat or tray).
All electronic components must be placed on an ESD protective tray. If stored, any electronic
components must be placed in antistatic bags
Remove the Upper Housing
1. Turn the printer off, and remove the battery pack. Remove any media from the
printer.
2. Remove and retain the four screws retaining the upper housing to the printer
frame. Two screws are inside the media compartment and the remaining two are
on the underside of the printer near the control switches.
3. Remove the upper housing. Retain the latch release button.
Remove the Printer Frame
1. Remove the two screws securing the printer frame to the lower housing.
2. Carefully lift the printer frame away from the lower housing.
Do not put excessive strain on the flex circuit from the Printhead or the connector leading from
the motor to the main logic board.
RMAN-MZS-002 • MZ Series Repair Procedures • Sect.2-28 •