Diagnostic information 2-1
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2. Diagnostic information
Start
Begin here to locate the service error code, user status message, user error message, symptom table, service
checks, and diagnostic aids in this chapter to determine the corrective action necessary to repair a
malfunctioning printer. They will lead you to solutions or service checks, including use of various tests.
• Does the POR stop? Check the “POR (Power-On Reset) sequence” on page 2-2
• Do you have a symptom, rather than an error message? Locate your symptom, and take the appropriate
action:
– “Printer symptom table” on page 2-3
– “Scan / fax / copy symptom table” on page 2-4
• If you have an error message or user message, check the following:
– “Service error messages” on page 2-15
– “User status and attendance messages” on page 2-6
– “Paper Jam messages” on page 2-13
– “Service checks” on page 2-31 for individual error messages
• Additional information can be found at the following locations:
– “Operator panel and menus” on page 2-2
– “POR (Power-On Reset) sequence” on page 2-2
– “Print engine theory” on page 3-57
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.
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