Zebra Technologies Q3DLUBA000002, Q4DLU1B000000 manual Upper Housing, QL420/420 Plus- AN16753-007

Upper Housing, QL420/420 Plus- AN16753-007

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.

Tools Needed

#1 Phillips head screwdriver 3/32” Hex Driver

Removing the Upper Housing

1.Turn the printer off and remove the Battery.

2.Remove the QuickLink Module.

3.Remove the Upper Housing. Remove the Upper Cover by removing (4) screws on the bottom cover. Retain all hardware and either the “D” rings or the Carry- ing Strap supplied with the printer.

Assemble the P.C. Board Cover

Fold the P.C. Board Cover

Fold P.C. Board Cover as shown in the sequence opposite:

•Place the Board cover flat on a table as shown. Fold the two sides up as shown at “1” and “2”.

•Fold the front up to meet the sides

at “1” and fold the mounting tab down parallel to the table as shown at “2”

• Fold the back up as at “1”, fold the

Cover, P.C. Board p/n CA16406-1

remainder back parallel to the table at “2” and fold the last section vertically as at “3”.

RMAN-QLS-002 rev. A Repair Procedures • 2-64 •