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SNA IMF allows printers attached to an HP 3000 to emulate
IBM 3287 printers, with the following restrictions: You cannot emulate pressing the IBM 3287 [HOLD PRINT], [PA1], [PA2], [CANCEL], and [ENABLE PRINT] keys in an LU.T3 printer session. SNA IMF supports platen widths of 40, 64, 80, and
132 columns for an LU.T3 printer. For an LU.T1 printer, SNA IMF
uses the Set Horizontal Format (SHF) SCS control code to define
a platen width less than or equal to 132 columns. The default is
132 columns. SNA IMF cannot emulate the extended character set
of the IBM text print feature. Therefore, it cannot emulate the
Suppress Index (SI) feature of an IBM 3287 printer. SNA IMF does not support the local copy ([PRINT] key) function of IBM 3278 display stations. Two printer
options are available to take the place of the local copy feature: You can use the PRINT softkey to send a copy of the internal screen
image to a spooled printer file called LOGIMF. Use a LOGIMF file
equation to identify the device class you want to use. The LOGIMF
file equation defaults to device class LP. See Chapter 2 “Configuring Pass Thru” for
information on the PRINT softkey. The HP 2645 and later model terminals support
printers slaved directly to them. You can use your terminal softkeys
to do local printing; however, the Pass Thru PRINT softkey cannot be used to send data to a slaved
printer.
SNA IMF represents four HP terminal characters (the
left bracket, right bracket, exclamation point, and caret) differently
on an HP printer than on an IBM printer. See Table 5-4 “AS/400 5240 to Pass Thru 3270 Mappings” for
a comparison of how these four characters are represented by HP
and IBM devices.
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