IBM 6400-I15 Maintenance Manual - Page 181
Flash Memory Loading, If the printer's parallel data cable is connected to the parallel port of an
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Loading Flash Memory Emulation and operating system software are loaded into flash memory at the factory, but you will install software in the following situations: ♦ The customer needs to upgrade printer software ♦ The customer needs different emulation software ♦ You have replaced the controller board ♦ You have added or replaced a flash memory SIMM Emulation and operating system software are stored as a compressed file. The file is "executable;" you will expand it and copy it into printer flash memory with a single command. DANGER: Do not connect or disconnect any communication port, teleport, attachment connector, or power cord during an electrical storm. Power off the printer and disconnect the power cord before connecting or disconnecting communication port, teleport, or attachment cable connector. 1. Make a printout of all saved configurations. (Refer to the Setup Guide.) (Installing new software erases all saved configurations. You will use the printouts to restore printer configuration.) 2. Set the printer power switch to O (off). 3. Unplug the AC power cord from the printer. 4. If the printer's parallel data cable is connected to the parallel port of an IBM or IBM-compatible computer using the PC-DOS* or MS-DOS** operating system, skip to step 8. If not, go to step 5. 5. Disconnect all data input cables from the printer interface. If the printer has an internal Ethernet interface card, do the following: a. Cabinet models: remove the paper guide assembly (page 235). Pedestal models: remove the top cover assembly (page 210). b. Unplug the Centronics I/O cable from the Ethernet interface card. Adjustment Procedures 181