Serial Interface Adapters - Lexmark 2390 003 - B/W Dot-matrix Printer Service Manual

Serial Interface Adapters

The 23XX printer product line uses three different serial adapters.
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23XX-001:
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Snaps on back of the printer and plugs into the parallel port.
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Power lead plugs into the printer's +5 V port.
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Switch settings are for "Snap-On".
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23XX-002:
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In-line gray box with a short cable to the parallel port.
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Some units have a separate power lead to the +5 V port.
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Units without the power cord will not work on the 23XX-001.
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Switch settings are for "Gray".
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23XX-003:
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Similar to the 23XX-002, but different switch definitions.
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All units have a power lead.
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Switch settings are for "Black".
Notes:
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Except as noted, all adapters work with all printers.
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Some adapters may be installed on printers other than what is
listed.
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Only the "Black" adapter is available as a FRU.
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Changes to switch settings are valid only after printer power is
turned off and then on again.
•
Contact Lexmark Technical Support for questions about serial
adapters.
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