834.2.2 Uploading/Downloading EEPROM dataWhen the controller printed circuit board is replaced, the contents of the old EEPROM shall be copiedto the new EEPROM on the new board to preserve customer settings. For the purpose, use the EEPROMoperation on the Option of the Maintenance Utility. To copy follow the steps below.(1) Be sure to confirm that the printer and the PC are connected with a centronics I/F cable. Thenexecute the Maintenance Utility. (Note: Printer driver shall be deinstalled.)(2) Select the Option on the Maintenance Utility.(3) Click the "UPLOAD EEPROM" button on the "EEPROM Operations".(4) The contents of the EEPROM data is displayed on the "DIALOG" of the Maintenance Utility. Thecontents of the old EEPROM is now copied into the memory of the PC.(5) Replace the controller P.C.B. with a new one while it displays the above "DIALOG".(6) After the replacement, click "Download EEPROM" on the "EEPROM Operations". EEPROM uploadhas been completed.In case of troubles such as centronics I/F failure, etc. EEPROM data may not be uploaded properly. Insuch case, it is necessary to adjust the following settings manually after the replacement using theMaintenance Utility.• LED driver time (See 4.2.1)• Factory setting (ODA/OEL/INT-A/INT-L)The maintenance utility is designed to be used only by field engineer and it should not be released tothe end-users.
