Troubleshooting; Troubleshooting Of I-Option; Outline; Structure Of License Management - Konica Minolta bizhub C650 Service Manual

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Field Service Ver. 3.0 Jun. 2008

Troubleshooting

• The functions available with i-Option can be activated by entering "License code" to the

• License code is issued and controlled by License Management System (LMS).

To prevent unauthorized use of the license code, each MFP is identified individually so

that the license code cannot be activated unless it matches with the authorized MFP.

• Since license code needs to identify each MPF, it is issued using the serial number of

MFP and "unique value" that is generated inside MFP.

• The "unique value" is stored to the NVRAM board on the MFP board and at the same

time some parts of it are memorized by service EEPROM board. The activated function

cannot be used unless the both figures conform.

Since these figures are out of target of NVRAM data back, when any trouble occurs at

either nonvolatile memory or either of them is replaced with new one, "license manage-

ment error" is generated due to discordance of the figures.

4. Troubleshooting of i-Option

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