Replaced driver in the display and now shows E4.
Sent prices and display goes blank.
Display may show incorrect line number on boot up, or 6OH.
8 MASC column driver
Display has wrong address.
Set address correct for the displays line number.
Line 1 address 1.
Line 2 address 2.
Line 3 address 3.
Line 4 address 4.
Power cycle the display and confirm boot up shows correct line number.
KB ID: DD2004221
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