MODELS: SPR4232, SPR4212
HPR4252, HPR4262,
HPR4272, HPR5012
HPR5052, HPR5072
HPR6372
Chassis D71C
SUBJECT: Improper connection at the ribbon cable(s) from logic board to the data
boards
SYMPTOM: Vertical lines in the
panel, these lines are visible in all
input modes, see Figure 1
