User`s manual

Installation Instructions

This kit includes the parts necessary to install the RK18410-001 Motor and Gear

Kit in the MZ 220 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

The following procedure can only be performed by Zebra authorized service organizations using

approved equipment and software.

Unless otherwise speciﬁed, always turn the printer off before performing any repair procedures.

MZ 220 MOTOR AND GEARS

REPLACEMENT KIT RK18410-001

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.

NOTES: The two drive gears that mesh with the motor on the printer frame will become loose. If

you are not replacing them with the gears supplied with this kit, you can temporarily secure them

in place with a piece of tape.

Do not put excessive strain on the ﬂex circuit from the Printhead or the connector leading from

the motor to the main logic board.

Remove the Motor

1. Remove the screw securing the Motor to the printer frame.

2. Rotate the motor clockwise (when facing the outside of the printer frame) until

the mounting ear of the motor is free of its retaining feature on the printer frame.

3. Flex the section of the printer frame that is retaining the motor slightly downward

and twist the motor free of the printer frame. Unplug the motor from the main

logic board.

continued

• Sect.2-25 • RMAN-MZS-002 • MZ Series Repair Procedures