Lexmark 21Z0294 Technical Reference - Page 311
Printer-to-Computer Communication (Advanced Status)
UPC - 734646313247
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8-9 Interfaces Table 8-2 shows all protocol timings in nanoseconds Table 8-2: Fastbytes Timing Sequence Time T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 Name Data setup to STROBE* low STROBE* low to ACKNLG* low ACKNLG* low to STROBE* high STROBE* high to ACKNLG* high ACKNLG* high and BUSY low to STROBE* low ACKNLG* low to change data STROBE* Timeout Max based on Auto Strobe Timer ACKNLG* width Equal to Data Setup Time ACKNLG* to BUSY Skew STROBE* high time Equal to Data Setup Time Minimum/Maximum 400 min. 0 0 0 0 50 min. 500 min. 400 min. +/ - 20 max. 400 min. Printer-to-Computer Communication (Advanced Status) The printer supports: • Compatibility mode • Nibble mode • Byte mode • ECP mode When a parallel connection exists, the printer also supports a Device ID function. When queried for its ID, the printer returns the following information: • Manufacturer • Command set • Model of printer The LEXPARAL.EXE file is available from ftp.lexmark.com as /pub/driver/ technical_brief/LEXPARAL.EXE. Use your web browser to access ftp:// ftp.lexmark.com/pub/driver/technical_brief/LEXPARAL.EXE.