Chapter 22-12.1 New Function2.1.1 Canon Driver Information Assist Service (DIAS) 0008-5246This is a subset version of the Netspot Suite Service, supporting Driver only: we haveselected Driver's functions (mainly, the functions to acquire Device configurationinformation) and redesigned them. The DIAS has the following functions:- To acquire Device configuration information (acquisition when setting up PrinterProperty.)- To acquire calibration information (acquisition when setting up Printer Property andprinting by the color LBP, Color iR, and etc.)- To make recognition in department-control printing (communication when setting upPrinter Property or when making a department-control print)Main structure of DIASDIAS (DLL): It is a module loaded on DriverDIAS (Service): It does a service of installation on printer server when using a sharedprinter (resident process)CBT: It is a module group to control a local port, such as Centronics Cable or USBH-VDC: It is a module group which are needed for the driver function in DIAS.Characteristics of DIAS- Local printer can acquire the configuration information in DIAS (DLL) only.Local printer means a printer that is "Peer to Peer" connected with Local PC via LPR/IPP/Centronics Cable/USB and that Spooler (Print queue) appears on the Local PC.- Shared printer needs to have DIAS (Service) installed on printer server.The installation of DIAS (Service) must be done via Driver installer.Shared printer means a printer whose Spooler (Print queue) appears on the printer server(Remote PC).- However, in some cases, DIAS (Service) needs to be installed for Local Port connection.(See "Help" > "Troubleshoot the acquisition of configuration information".1, WinNT4.0 OS Family (All)/ At the time of Local Port connection (LPT)2, Win2k Server OS Family (Except Professional)/At the time of Local Port connection