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• 2-73 • RMAN-QLS-002 rev. A Repair Procedures
Keypad & diSpLay, QL220/220 pLuS/220 coSt Reduced-
an16972-011, -012 & RK17735-031
Preparation
1. Turn the printer off and remove the battery pack
2. Remove the Upper and Lower Housings.
Removing the Keypad
1. Unlock J6 on the MLB, and unplug the cable.
2. Unlock J1 on the MLB and unplug the ground cable.
3. Carefully peel the Keypad away from the QL 220 Chassis.
Removing the LCD module
1. Unlock J8 on the MLB and unplug the ex cable.
2. Insert the corner of a credit card or a similar thin, exible and non-conductive
material between the glass surace of the LCD and the printer chassis.
3. Using a small at bladed screwdriver, lift each side of the LCD module clear of
the printer Chassis.
Installing the Keypad
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 elec-
tronic components must be placed in antistatic bags.