Xerox 4500 ps eth 用户手册

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Check that a printer intervention is not pending.

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Check that either a PCL or PostScript printer is attached.

Communication failure

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Check that the printer is ready (powered on and on-line).

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Check cabling.

The following guidelines  help you detect problem areas, particu larly when
configuring the  PrintServer.

You should avoid making the following syntax errors in the bootptab file:

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Line continuation character must be " \ " (i.e. backslash)

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Do not leave out " : " after tag values

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Remember to keep comments on separate lines
(Comment lines are indicated as blank lines, spaces or a number
sign (i.e. " # ").

Does the printer indicate an error message?
(for example status code, alarm and so on)

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Check the connection to the  PrintServer.

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Check for printer physical errors (for example paper jam, out of 
paper, toner out, and so on).

PrintServer appear normal?

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Check for status of the LEDs.