Diagnostic Information; Start - Lexmark C78x Service Manual

2. Diagnostic information

Start

CAUTION
Unplug the power cord from the electrical outlet before you connect or disconnect any cable
or electronic board or assembly for personal safety and to prevent damage to the printer.
Disconnect any connections between the printer and PCs/peripherals.
CAUTION
The printer weighs 48-82 kg (105-181 lb) and requires at least three people to lift it safely.
Remove the options before lifting the printer. Make sure your fingers are not under the printer
when you lift or set the printer down.
To determine the corrective action necessary to repair a printer, look for the following information:
•
Does the POR stop? Check the
•
Do you have a symptom, rather than an error message?
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"Symptom table-base printer" on page 2-3
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"Symptom table-500-sheet drawer option" on page 2-4
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"Symptom table-HCIT 2000-sheet option" on page 2-5
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"Symptom table-output expander option" on page 2-5
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"Symptom table-5-bin mailbox option" on page 2-5
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"Symptom table-StapleSmart finisher" on page 2-6
•
If you have an error message or user message, check the following:
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"1xx service errors" on page 2-7
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"2xx paper jams" on page 2-9
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"9xx service errors" on page 2-11
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"User attendance messages" on page 2-126
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"Service checks" on page 2-14
•
Additional information can be found at the following locations:
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"Understanding the printer operator panel" on page 2-119
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"Service checks" on page 2-14
Note: There may be printer error messages that are not contained in this service manual. Contact your next
level of support for assistance.
"POR (Power-On Reset) sequence" on page 2-2
for individual error messages
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2-1
Diagnostic information