HP 2600fx - Optical Disk Drive Command Reference Manual page 170

NOTE When this command is used with 14X 512 OR 1024 byte/sector media,
setting the ErsCntl bit or the PBA bit will cause the drive to return a
CHECK CONDITION status. The sense key/additional sense code will be
set to ILLEGAL REQUEST/INVALID FIELD in CDB.
NOTE For write-once optical disks, blank checking is performed before writing
data. If a written block is detected during blank checking, the drive will
return a CHECK CONDITION status. The sense key/additional sense
code will be set to BLANK CHECK/Overwrite Attempted.
Chapter 2
SCSI-2 Drive Command Set
Write (Group 5) Command (AAH)
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