Lexmark C720 Service Manual - Page 234
Main Engine (MCTL P.W.B.) Board Removal, P.W.B. board
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5024-001 Main Engine (MCTL P.W.B.) Board Removal 1. Remove the side cover (L). See "Side Cover (L) Removal" on page 4-10, for more information. 2. Remove the set screw TS3X6 (1) from shield cover B. 3. Disconnect all harness connectors to the main engine (MCTL P.W.B.) board (8). 4. Remove the set screw TS3X6 (4) from the main engine (MCTL P.W.B.) board 5. Remove the main engine (MCTL P.W.B.) board. After performing the reverse removal steps: 1. Connect the power supply cable. 2. Turn the printer On. 3. Check the margin adjustment. See "Adjustments" on page 4-4, for more information. 4. Confirm printer operation and print quality by executing test print. See "Diagnostic Mode" on page 3-5, for more information. WARNING: • Read the information contained in the NVRAM prior to replacing the main engine (MCTL P.W.B.) board. • When replacing the main engine (MCTL P.W.B.) board, use caution against electrostatic discharge. 4-24 Service Manual
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