6. System Maintenance Reference
controller NVRAM or when the controller NVRAM data is corrupted, use SP5-801-001. The message is
the same as the basic machine.
Memory Clear Procedure
1. Print out all SMC data lists (
2. Do SP5-998-001.
3. Press the OK key.
4. Select "Execute." The messages "Execute?" followed by "Cancel" and "Execute" are displayed.
5. Select "Execute."
6. When the program has ended normally, the message "Completed" is displayed. If the program has
ended abnormally, an error message is displayed.
7. Turn the main switch off and on.
8. Adjust the printer and scanner registration and magnification (* "Copy Adjustment" in the chapter
"Replacement and Adjustment").
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9. Refer to the SMC lists, and enter any values that differ from the factory settings. Double-check the
values for SP4-901.
10. Adjust the standard white level (SP4-428).
11. Initialize the TD sensor (SP 2-214).
12. Check the copy quality and the paper path.
Machine No. Setting (SP5-811-001)
Specifying Characters
SP5-811-001 specifies the serial number. For the machine with the optional controller, you use the numeric
keypad and the optional operation panel.
GW Machine
You can use the numeric keypad to type numbers. In addition, you can use the operation panel to type
other characters. When you press the "ABC" key, the letter changes as follows: A Õ B Õ C. To input the
same letter two times, for example "AA," you press the "ABC" key, the "Space" key, and the "ABC" key.
To switch between uppercase letters and lowercase letters, press the "Shift" key.
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"SMC Print").