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Removal and Installation
HP Designjet 4000/4020 Printer Series Service Manual
11 . Remove five T-15 screws that secure the Ink
Supply Tubes to the Carriage Assembly.
12. Remove one T-15 screw from each plastic
holder at the rear of the Printer.
13. Disconnect the Electrical Cable from the
rear of the Ink Cartridge Tube Connector.