9-2 Y100250-49.1 GENERAL DISASSEMBLY/REASSEMBLY PRECAUTIONS- To ensure maximum safety, before starting any disassembly operation power off the printerand unplug its power cord from the electrical outlet.- All operations should be performed in a clean and uncluttered area.- Follow the procedures carefully; do not unscrew parts that are not to be disassembled.- Store the disassembled parts in a clean place where there is no danger of them getting lost.- After replacing the parts, make sure that they have not been deformed during assembly;restore the correct conditions if necessary.- Reassembly must be performed by following the disassembly procedures in reverse order.- Before disconnecting the cables make sure to take note of their connections for reassembly.- After servicing, lubricate where specified.- When replacing the main board, update the firmware to the latest release (section 1.9.1), runthe installation set-up (Chapter 4) and then perform the electromechanical adjustments fromthe console (Chapter 4).- When replacing the power supply assembly, make sure that the line voltage rating of thereplacement module corresponds to the value indicated on the printer's electrical data plate.- At the end of the service call, run an overall check on the printer to make sure that all failuresare corrected.
