FrameMaker Ver5.5E(PC)Di251/Di351 MECHANICAL/ELECTRICAL
05.03.01
M-46
22. OTHER UNITS AND MECHANISMS
22-1. Memory Backup
• IC3 mounted on the Master Board (PWB-A) stores the values set and adjusted with the
Tech. Rep. Mode and other functions, as well as counter values. When replacing PWB-A,
therefore, it is necessary to remount IC3.
NOTE
• When replacing PWB-A (Master Board), care should be used not to change IC3 together
with the board.
✽ For details, see DIS/REASSEMBLY, ADJUSTMENT.
22-2. Flash Memory
• To respond to the need of upgrading software, data is written in flash memory using the
controller.
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