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RMAN-QLS-002 rev. A Repair Procedures • 2-64 •
uppeR houSing, QL420/420 pLuS- an16753-007
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 at 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
remainder back parallel to the table at
“2” and fold the last section vertically
as at “3”.
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.
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.
Cover, P.C. Board
p/n CA16406-1