Ai Studio / Epson 4870: 48bit + descreening = empty scan!
PostPosted: Mon Sep 05, 2005 10:51 am
new problem described in new post at the bottom of the thread
hopefully one of the LSI gurus can solve this...
SUMMARY
performing a scan with any of the Studio-only features activated in Silverfast Ai Studio IT8 v6 causes SF to crash. this happens both as a plug-in in Photoshop and running SF as a standalone app. it also crashes my Epson 4870 scanner, which just sits there with the green light at the front flashing and doesn't register as being connected anymore if you restart SF (scanner has to be turned off and on again first).
DETAIL
two weeks ago I upgraded to Silverfast Ai IT8 v6 from the SE version that came with my scanner. the software CD arrived last week and i installed v6.4.2r1g - this worked fine. i then checked for updates a few days later and installed v6.4.2r5c over the previous installation. however, i didn't actually get around to using this before i read on this website about the extra features of the Studio version and decided to upgrade to that.
this time i just ordered the upgrade as a download and downloaded the file i already had (v6.4.2r5c, not realising it's the same for Ai and Ai Studio) and ran that. it removed the previous installation and re-installed. when i ran it i was still seeing the ordinary Ai version, so i figured it was still using the old serial number. i found out about Shift+S+F from this website, deleted the old serial number and entered my new serial number for Studio. this time SF started up correctly as Ai Studio.
straight away i opened SF through Photoshop CS2 and tried to scan at 450dpi with Auto Descreening. the scanner appeared to finish the basic scan, as the whole thumbnail appeared in the small SF scanning window, and then the word 'Descreening' appeared in the same window. then a dialogue box popped up saying the photoshop had crashed and would have to be restarted. i tried again, same problem. so i ran the standalone SF app and it also crashed. it just freezes totally and has to be closed via Task Manager.
i also tried scanning with AACO enabled (with 'None' selected in the Filters dropdown) and again it crashes. it is perfectly able to perform scans using non-Studio features, although i also had a problem using normal descreening. so i started to think the problem must be something to do with how i have upgraded. but first i checked to see if i had the latest drivers from Epson. i didn't, so i upgraded from v2.3i to v2.6e (which shows as v2.65 when you run Epson scan). after rebooting i still had all the same problems, so i uninstalled and reinstalled SF again but it didn't help.
the details of the error i get are as follows (from the dialogue that pops up) in the case of running the SF photoshop plug-in:
Error signature
AppName: sf launcher.exe AppVer: 2.1.1.0 ModName: ntdll.dll
ModVer: 5.1.2600.2180 Offset: 00018fea
the error from the standalone app:
An error occurred at the start of the scanning process.
Cannot send Command "Set Window".
i also then tried downloading the TWAIN version of SF v6.4.2r5c, but that encounters exactly the same problems and displays this message:
Could not complete the import command because of a problem with the
acquisition module interface.
finally, i uninstalled v6.4.2r5c again and reinstalled v6.4.2r1g from the CD. obviously, it now ran in Studio mode as my new serial number was still in the registry. this version works perfectly, even as Ai Studio, and all the Studio-only features work fine. however, this is an unsatisfactory result as, apart from other fixes in r5c, i specifically upgraded to Studio to get the Automatic Descreening function - which is not present in v6.4.2r1g.
so ... HELP!!! :)
i am concerned that all this might be a result of not starting from a clean install, i.e. re-installing v6.4.2r5c over the existing version of it which had the old serial, then deleting that serial and entering the new one. i really don't want to have to completely reinstall windows. i'm also wondering though if it's because when you uninstall SF it isn't a clean uninstall. it must leave entries in the registry as the serial number was retained between installs. so is there a tool for completely eradicating all traces of Lasersoft software in order to enable a clean install?
or is this a problem you are aware of? specifically with the Epson 4870 perhaps? i have searched this forum but can't find this problem anywhere.
anyway, i hope you can help as not only did i waste about five hours on this yesterday, but i paid $59 for the privelege! :(
thanks.
hopefully one of the LSI gurus can solve this...
SUMMARY
performing a scan with any of the Studio-only features activated in Silverfast Ai Studio IT8 v6 causes SF to crash. this happens both as a plug-in in Photoshop and running SF as a standalone app. it also crashes my Epson 4870 scanner, which just sits there with the green light at the front flashing and doesn't register as being connected anymore if you restart SF (scanner has to be turned off and on again first).
DETAIL
two weeks ago I upgraded to Silverfast Ai IT8 v6 from the SE version that came with my scanner. the software CD arrived last week and i installed v6.4.2r1g - this worked fine. i then checked for updates a few days later and installed v6.4.2r5c over the previous installation. however, i didn't actually get around to using this before i read on this website about the extra features of the Studio version and decided to upgrade to that.
this time i just ordered the upgrade as a download and downloaded the file i already had (v6.4.2r5c, not realising it's the same for Ai and Ai Studio) and ran that. it removed the previous installation and re-installed. when i ran it i was still seeing the ordinary Ai version, so i figured it was still using the old serial number. i found out about Shift+S+F from this website, deleted the old serial number and entered my new serial number for Studio. this time SF started up correctly as Ai Studio.
straight away i opened SF through Photoshop CS2 and tried to scan at 450dpi with Auto Descreening. the scanner appeared to finish the basic scan, as the whole thumbnail appeared in the small SF scanning window, and then the word 'Descreening' appeared in the same window. then a dialogue box popped up saying the photoshop had crashed and would have to be restarted. i tried again, same problem. so i ran the standalone SF app and it also crashed. it just freezes totally and has to be closed via Task Manager.
i also tried scanning with AACO enabled (with 'None' selected in the Filters dropdown) and again it crashes. it is perfectly able to perform scans using non-Studio features, although i also had a problem using normal descreening. so i started to think the problem must be something to do with how i have upgraded. but first i checked to see if i had the latest drivers from Epson. i didn't, so i upgraded from v2.3i to v2.6e (which shows as v2.65 when you run Epson scan). after rebooting i still had all the same problems, so i uninstalled and reinstalled SF again but it didn't help.
the details of the error i get are as follows (from the dialogue that pops up) in the case of running the SF photoshop plug-in:
Error signature
AppName: sf launcher.exe AppVer: 2.1.1.0 ModName: ntdll.dll
ModVer: 5.1.2600.2180 Offset: 00018fea
the error from the standalone app:
An error occurred at the start of the scanning process.
Cannot send Command "Set Window".
i also then tried downloading the TWAIN version of SF v6.4.2r5c, but that encounters exactly the same problems and displays this message:
Could not complete the import command because of a problem with the
acquisition module interface.
finally, i uninstalled v6.4.2r5c again and reinstalled v6.4.2r1g from the CD. obviously, it now ran in Studio mode as my new serial number was still in the registry. this version works perfectly, even as Ai Studio, and all the Studio-only features work fine. however, this is an unsatisfactory result as, apart from other fixes in r5c, i specifically upgraded to Studio to get the Automatic Descreening function - which is not present in v6.4.2r1g.
so ... HELP!!! :)
i am concerned that all this might be a result of not starting from a clean install, i.e. re-installing v6.4.2r5c over the existing version of it which had the old serial, then deleting that serial and entering the new one. i really don't want to have to completely reinstall windows. i'm also wondering though if it's because when you uninstall SF it isn't a clean uninstall. it must leave entries in the registry as the serial number was retained between installs. so is there a tool for completely eradicating all traces of Lasersoft software in order to enable a clean install?
or is this a problem you are aware of? specifically with the Epson 4870 perhaps? i have searched this forum but can't find this problem anywhere.
anyway, i hope you can help as not only did i waste about five hours on this yesterday, but i paid $59 for the privelege! :(
thanks.