Konica Minolta IP-422, Service Manual

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Chapter 3 Field Service
3-21
Error Message List
Check the Surface of the Hard Disk
This checks the surface of the hard disk for damaged clusters on the partition by using the IDE read/verify
commands.
Use this command to recover files that have been written to bad sectors on the hard disk.
However, since the files have been recovered from bad clusters, parts of the files may not be usable.
Operation Procedure
1.
Boot up DOS.
Refer to "Booting Up Service DOS".
2.
Enter the command and run chdd.
Enter "chdd" after the "A:\" prompt in the HyperTerminal window, and then press the Enter key.
[A:\] chdd
The chdd command checks the surface of the disk three times.
The surface of the disk is checked and the results of the check are displayed.
Error Message Explanation
File is linked to an invalid cluster. The file is linked to a cluster that does not exist.
File is linked to a free cluster. The file is linked to a free cluster.
File is cross-linked. The same cluster is linked to several files.
File is linked to a reserved cluster. The file is linked to a reserved cluster.
File has too few clusters. The file is smaller than its registered size.
File has extra clusters. The file is larger than its registered size.
Lost clusters found in chains. Parts of the file are linked to reserved clusters.
FAT1, FAT2 have different value. The contents of FAT1 and FAT2 are different.
File is cross-linked at FAT No. [x]. One cluster [x] is used by several files.
File is Bad File Name. The file name includes illegal characters.