￿. Remove one screw (item 3) and washer (item 4) from the floor of the electronics module (item ￿).

￿. Insert a flat/head screwdriver in to the slot at the back of the Printer to unlatch the electronics module from the back cover.

7.￿t the back of the Printer, ensure that the two small wire clamps of the parallel port are positioned flush against the electronics module

￿. Push the electronics module towards the front of the Printer.

9.Pull the electronics module to the right to easily access the connectors.

10.￿isconnect all cables from the visible part of the main P￿￿.

￿revent tugging on the ￿ables at the point of ￿onne￿tion by leaving sla￿k between the ￿onne￿tors and the ￿lips.

11.Pull the electronics module further to the right and out of the Printer.

12.If you are changing the electronics module for a new one, remove the R￿M SIMM (if installed) from the old module and install it into the new one. Refer to page ￿/13 before installing the ROM SIMM from the old module into the new module.

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HP DesignJet 430, 450C and 455CA Printers

Removal and Installation