HP 9020 Service Manual page 145

Assembly Access 4-45
6. Pull the snap ends of the black plastic flanges slightly outward and slide boards up and out of
printer (Figure 4-46).
SLIDE BOARDS UP
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FLANGE *
Figure 4-46. Removing Logic and Motor Drive Boards
7. Disconnect ribbon cable from logic board (Figure 4-47).
8. With needlenose pliers, squeeze four plastic pins that interconnect the two boards (Figure
4-47), force pins out of logic board, and lift logic board off motor drive board.
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*
INTERCONNECTING PIN
MOTOR DRIVE BOARD
RIBBON CABLE
LOGIC BOARD
Figure 4-47. Separating Logic and Motor Drive Boards