Canon Remote FAX Kit-A1 Service Manual

Contents

Canon Remote FAX Kit-A1 Service Manual Manual pdf 31 page image

44 4-34-3Maintenance > Reference matter in market service > Invalidating the License for Transfer to a Different Device data recovery method > When HDD and Counter board are brokenMaintenance > Reference matter in market service > Invalidating the License for Transfer to a Different Device data recovery method > When HDD and Counter board are brokenReference matter in market serviceInvalidating the License for Transfer to a DifferentDevice data recovery methodHere the keys required to invalidate the license for transfer to a different device will bedescribed. The following is not an explanation of how to validate such license.'Invalidating the License for Transfer to a Different Device' can be executed in the ServiceMode in order to make accessories validated by the license information available to anotherhost machine.License history data is required when invalidating the license for transfer to a different device.License history data is stored threefold in 3 different locations - HDD, Counter PCB, andSRAM on the Main Controller.Once the HDD and / or Main Controller are replaced with new ones, it may not be possibleto invalidate the license for transfer to a different device for options validated by the licenseinformation.License key history dataLicense history data is used in order that the transferred license key cannot be used in thesame iR host machine again.-License history data has a total of the number of the iR accessory license key and the MEAPapplications and only 30 of the total are doubly stored in HDD and the counter board.-Only 30 of the total are doubly stored. The rest is stored in HDD only.When HDD is brokenIf turning on the power of the iR host machine after the replacement of HDD, max. 30 items oflicense key/transferred license key history data are automatically recovered in HDD from thelicense key history data on the counter board.Lost license key history, which has been stored only in HDD, becomes as follows:-The transfer license key cannot be issued to unrecoverable license key history.-The transfer license key for unrecoverable license key history of the license key that thetransfer license key has been issued is not displayed in service mode.When Counter board is brokenIf turning on the power after the replacement of the counter board due to the breakage,following operations are performed.-Automatically recovered from the SRAM on the main controller board.-If it is impossible that the history is automatically recovered from SRAM to the counter board,the license key/transfer license key history data is automatically recovered to the counterboard from the license key history data on HDD.When HDD and Counter board are brokenRecover the data from SRAM to the counter board. Then, recover the data from the counterboard to HDD.When the data cannot be recovered from SRAM to the counter board, all history data oflicense key/transfer license key will be lost.The accessories continue to be available even in such cases, although 'Invalidating theLicense for Transfer to a Different Device' cannot be executed.