HP 1200 HP LaserJet 1200 Series - User Guide - Page 173

USB port information, Understanding the print server configuration

Page 173 highlights

USB port information Message Device Name Manufacturer Serial Number Mode Description The name of the attached USB printing device. The manufacturer supplies this name. The manufacturer of the attached printing device. The serial number of the attached printing device. The USB communication mode: Bidirectional: Two-way printer communication - Sends print data to the printer and returns status information from the printer. MLC: HP-proprietary protocol for Multiple Logical Channels - A mode for printers and multi-function devices (such as the HP LaserJet 1200) that allows multiple channels of simultaneous print, scan, and status communication. 1284.4: IEEE-standard protocol - A mode for printers and multi-function devices, such as the HP LaserJet 1200, that allows multiple channels of simultaneous print, scan, and status communication. Unidirectional: One-way print communication from computer to printer. Disconnected: A printer connection has not been detected. Check the printer and cable. EN Understanding the print server configuration page 171

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EN
Understanding the print server configuration page
171
USB port information
Message
Description
Device Name
The name of the attached USB printing device. The
manufacturer supplies this name.
Manufacturer
The manufacturer of the attached printing device.
Serial Number
The serial number of the attached printing device.
Mode
The USB communication mode:
Bidirectional:
Two-way printer communication – Sends print
data to the printer and returns status information from the
printer.
MLC:
HP-proprietary protocol for Multiple Logical Channels –
A mode for printers and multi-function devices (such as the
HP LaserJet 1200) that allows multiple channels of
simultaneous print, scan, and status communication.
1284.4:
IEEE-standard protocol – A mode for printers and
multi-function devices, such as the HP LaserJet 1200, that
allows multiple channels of simultaneous print, scan, and
status communication.
Unidirectional:
One-way print communication from computer
to printer.
Disconnected:
A printer connection has not been detected.
Check the printer and cable.