A52/a74 are same machine hardware wise.
You if buy a52 than it is small format(2up ) machine.. It will expose 670x525mm
And later on if you wish to upgrade then you need one upgradation key to be enter in the ctp user interface then it will become 4up machine (a74) and able to expose...
As per pix it seem either master data service is not started or you mater data(mds) is courrpt.
Check in services for mds service
If mds is corrupt then you have to load the whole software.
If required we can do online
You want auto ink release for cpc104??
There are 2 option
1) from Heidelberg
But prm (press room manger) which comes on subscription base now.
2) 3rd party software to connect cpc104
But before buying
Do you have ctp /ripping station whcih generat cip3 files for above solution??