Zebra QLn420 - Battery Installation and Removal; Battery Pack Handling

• iii • P1057798-001 rev. B
Contents
Proprietary Statement .................................................................................. ii
Section 1: QLn420 Introduction ................................................................................................... 1-5
Printing Technology ...................................................................................... 1-6
Direct Thermal ............................................................................................... 1-6
Diagnostic Tools .........................................................................................1-8
Configuration Label Printout ......................................................................... 1-8
Zebra Setup Utilities ...................................................................................... 1-8
Unit Test and Calibration Software .............................................................. 1-8
Factory Technical Support ............................................................................ 1-8
Printing a Diagnostic Label ........................................................................1-9
Creating a Configuration Label ..................................................................... 1-9
Sample Configuration Label ......................................................................... 1-9
Introduction to Zebra Setup Utilities ...............................................................................1-12
Equipment Required For Zebra Setup Utilities ...........................................1-12
Starting Zebra Setup Utilities ......................................................................1-12
QLn420 Series Unit Test & Calibration ................................................... 1-13
Equipment Required ....................................................................................1-13
Running The Software .................................................................................1-13
Section 2: Replacement Procedures ......................................................................................... 2-14
Tools and Supplies ....................................................................................2-14
Assembly/Disassembly of QLn420 .........................................................2-15
Repair Kit P1050667-004- Media Cover Linered .................................... 2-17
Accessory Kit P1050667-008 Platen Linered, -006 Platen Linerless, &
-009 ............................................................................................................2-20
Platen Gear 48P 22T ..................................................................................2-20
Replacement Kit P1050667-005 Motor Assembly ................................2-24
Repair Kit P1050667-001 Printhead Assembly .......................................2-26
Repair Kits P1050667-043 Main Logic Board (MLB), P1050667-013/-014/-
048 Dock Boards, & P1050667-045 Docking Cable ...............................2-32
Repair Kit P1050667-012 802.11N/BT3.0 Radio .......................................2-35
Repair Kit P1050667-003 Media Guide Assembly .................................2-36
Repair Kit P1031365-009 LCD Assembly ................................................2-38
Repair Kit P1050667-002 Keypad Assembly ......................................... 2-40
Repair Kit P1050667-044 Media Cover Button.........................................2-41
Contents