Lexmark manual Learning about the printer, Identifying printers, Models, T640 T642 T644

1 Learning about the printer

Identifying printers

Use the following table to determine the features and options of your Lexmark™ T640, T642, or T644 printer.

The illustrations aid you in determining the installation location of options attached to the printer. For more information about installing input options, see Installing and removing options or the instructions that came with the option.

Models

The printer is available in three base models The following table indicates some of the differences between the models.

	T640	T642	T644
Input capacity	250 sheets	500 sheets	500 sheets
Output capacity	250 sheets	500 sheets	500 sheets
Standard memory, non network/network	64MB/64MB	64MB/128MB	128MB/128MB
Maximum memory capacity, non network/network	576MB/576MB	576MB/640MB	640MB/640MB
Option card connectors	1	2	2

CAUTION: Do not set up this product or make any electrical or cabling connections, such as the power cord or telephone, during a lightning storm.

Learning about the printer

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