What is an IPDS data stream ?

    1. IBM IPDS - As other computer printers became more sophisticated, IBM mainframe users demanded more printing features from IBM, who attempted to satisfy this demand with a strategy of software products and printers offering "Advanced Function Printing" (AFP). AFP is a way in which complex documents can be described on IBM mainframe and minicomputers, and is converted to a print language by the operating system on the computer. The print language used by IBM mainframes and minicomputers for complex print jobs is called "Intelligent Printer Data Stream" (IPDS), and is basically an IBM proprietary page description language. IBM does not supply printer drivers for other manufacturers printers, and the IBM mainframe and minicomputer operating systems are difficult to modify, so most printer manufacturers who want to supply printers for use on IBM mainframe and minicomputers using AFP have to emulate IPDS. The OnePrint SE server have the ability to emulate up to 128 IPDS printers in the same time. 
    2. What parameters do I need in order to configure the OnePrint SE to print IPDS data stream? 
      1. In order to print IPDS data via the OnePrint SE server the only thing it has to configure in the OnePrint SE is an IPDS printer suitable with the output layout, IBM page printer to LAN page printer and IBM matrix to LAN matrix (it is also able to convert IBM page printer to LAN matrix but not the opposite) , The OnePrint SE will automatically identify the IPDS data stream and will convert it to the configure printer language. Notice: IPDS printers have to be defined as LU type 1 in the VTAM logmode. 
    3. What IPDS printers are emulated by the OnePrint SE? 
      1. The OnePrint SE can emulate the following IPDS printers: 
        1. 4028 - 300 DPI fonts laser printer 
        2. 3812/6 - 240 DPI fonts laser printer 
        3. 4224 - matrix printer (support 3287 emulation as sub set) 
        4. 4230 - matrix printer (support 3287 and 4224 emulation's as sub set) 
    4. What parameters do I need in order to configure the PSF to send data to the OnePrint SE? 
      1. A OnePrint SE port can emulate one of the following printers 3812,3816,4028, 4224 and 4230 which are known collectively as "Group4 printers", The 3812, 3816, 4224, and 4230 are also supported using Remote Spooling Communication Subsystem (RSCS). In this case, these printers are known. Collectively as "RSCS printers". Since the OnePrint SE emulate an SNA printers, the definition in the PSF has to be for an SNA printer (using the VTAM). For detailed parameters regarding the PSF configuration please refer to the relevant PSF publication at your site and look for "Group4 printers" or "RSCS printers" configuration. 
    5. Does the OnePrint SE accept and hold PSF resources? 
      1. A OnePrint SE port is fully emulate an IBM printer and therefor it enable to accept and hold PSF resources the same as the emulated printer does. 
    6. What is the preferred IBM printer emulation I should configure in the OnePrint SE and why? 
      1. The 4028 emulation is the best emulation to select for speed and print quality. The 4028 printer is using 300 DPI fonts which does not require any font or image scaling by the OnePrint SE in order to print on a 300 DPI LAN printer. Since it uses 300 DPI fonts, the 4028 emulation gives a better quality printout. 
    7. What parameters do I need in order to configure the OnePrint SE to print DUPLEX? 
      1. The relevant OnePrint SE parameters needed to be configure in order to print in DUPLEX mode are. 
        1. IBM printer emulation need to be a page printer 4028 or 381X. 
        2. A DUPLEX LAN Printer configured as the LAN printer. 
        3. Parameter "side selection" in sub menu "TARGET OPTION" in menu "PROFILE" need to be set to "DUPLEX". 
        4. AFP application need to send the data in duplex mode. 
        5. After setting the above parameters the OnePrint SE port need to be reset. 
        6. After a new port has been defined to the PSF, It is recommend to perform a reset to the PSF. 
    8. What parameters do I need in order to configure the OnePrint SE to print to several Trays? 
      1. In order to defined several trays support in the OnePrint SE configuration, The table "Trays" in the "IBM Option" sub menu in "PROFILE" menu has to be configured. 
    9. What is OnePrint SE's "scale to fit IPDS" feature? 
      1. The "scale to fit IPDS" feature establish after a demand arrived from our customers for supporting HOST applications wrote for IBM printers which are using a larger printable area then the common LAN printers . 
        For example: IBM 4028 has an A4 printable area 2410 x 3411, HP printers has printable area of 2380 x 3407. HOST application that are using the IBM printers margins will have problem printing to LAN printers . 
      2. As a result from this demand LogNet has developed a real time smart algorithm which scan the input data stream, Determined if it is necessary to clip or to scale the data, and scale or clip it so it will fit the LAN printable area. 
    10. What is OnePrint SE's "slice" feature? 
      1. The "slice" feature establish after a demand arrived from our customers for dividing a large jobs into several jobs according to page units. It is needed specially in environment using spools and large print jobs, in those cases the printer will start printing just after the OnePrint SE will convert the whole job. Large jobs can take long time before the user will start seeing the printer start to print. In the "slice" feature, the user can determent the size (number of pages) of a job gathering in the LAN spool, In that way the printer will start printing after the first amount of pages (determent by the slice parameter ) arriving from the HOST. The result is that there is continuously data printing flow from the HOST to the OnePrint SE, to the LAN SPOOL and to the printer itself. 
        1. "SLICE" parameter is in the "Special Option" sub menu in the "PROFILE" menu. 
        2. Note that dividing the HOST job into several jobs in the LAN spool enable the possibility of mix regular LAN jobs that will be sent in the same time to the same LAN spool. 
        3. To avoid the above of situation we recommend to use a dedicated spool for a OnePrint SE port configure in a slice mode. 
          In sites that there are long and short jobs mixing, we recommend the use of 10 as the slice parameter, that will divide only jobs longer then 10 pages . 

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