Service manual

ELECTRICAL COMPONENTS 30 July, 2001
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3.9.4 NVRAM REPLACEMENT PROCEDURE
Make sure you have the SMC report (factory settings) that comes with the printer
before beginning the following procedure.
NVRAM for BCU
1. Enter SP mode and print out the SMC reports with SP5-990 if possible.
2. Turn off the main switch and unplug the power cord.
3. Replace the NVRAM on the BCU and reassemble the machine.
4. Execute the RAM clear for engine settings with SP5-801-2.
5. Contact your supervisor to enter the machine’s device number and destination
code.
6. Reset the settings for meter charge with SP5-930-1 to -5.
7. Enter the SP mode changes at the factory and the field.
NVRAM for Controller
1. Enter SP mode and print out the SMC reports with SP5-990 if possible.
2. Turn off the main switch and unplug the power cord.
3. Replace the NVRAM on the controller and reassemble the machine.
4. Execute the RAM clear for controller settings and counters with SP5-801-3, -8,
-11, and SP7-808-1.
5. Reset the total counter to 0 (SP7-825-1) if meter charge mode (SP5-930-1) is
enabled.
6. Enter the SP mode changes at the factory and the field.
NVRAMs for both BCU and Controller
1. Enter SP mode and print out the SMC reports with SP5-990 if possible.
2. Turn off the main switch and unplug the power cord.
3. Replace the NVRAM on the BCU and the controller, and reassemble the
machine.
4. Execute the RAM clear with SP5-801-1 and SP7-808-1.
5. Contact your supervisor to enter the machine’s device number and destination
code.
6. Reset the settings for meter charge with SP5-930-1 to -5.
7. Reset the total counter to 0 (SP7-825-1) if meter charge mode (SP5-930-1) is
enabled.
8. Enter the SP mode changes at the factory and the field.