HP LaserJet Enterprise M607n - Troubleshooting Process

Troubleshooting process
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Determine the problem source
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Power subsystem
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Control panel checks (touchscreen models)
Determine the problem source
When the printer malfunctions or encounters an unexpected situation, the printer control panel alerts the
user to the situation. This section contains a pre-troubleshooting checklist and a troubleshooting
ow chart
to lter out many possible causes of the problem. Use the pre-troubleshooting checklist to gather
information about the problem from the customer. Use the troubleshooting owchart to help diagnose the
root cause of the problem. The remainder of this chapter provides steps for correcting problems.
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Use the pre-troubleshooting check list to gather information about the problem from the customer. See
Pre-troubleshooting checklist on page 106.
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Use the troubleshooting owchart to pinpoint the root cause of hardware malfunctions. The owchart
provides guides to the section of this chapter that contain steps to correct the malfunction. See
Troubleshooting owchart on page 107.
Before beginning any troubleshooting procedure, check the following issues:
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Are supply items within their rated life?
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Does the conguration page reveal any conguration errors?
NOTE: The customer is responsible for checking supplies and for using supplies that are in good condition.
Pre-troubleshooting checklist
The following table includes basic questions to ask the customer to quickly help dene the problem(s).
General topic Questions
Environment
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Is the printer installed on a solid, level surface (+/- 1°)?
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Is the power-supply voltage within ± 10 volts of the specied power source?
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Is the power-supply plug inserted in the printer and the wall outlet (not a surge
protector)?
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Is the operating environment within the specied parameters?
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Is the printer exposed to ammonia gas, such as that produced by diazo copiers or
oce cleaning materials?
NOTE: Diazo copiers produce ammonia gas as part of the copying processes.
Ammonia gas (from cleaning supplies or a diazo copier) can have an adverse eect
on some printer components (for example, the toner cartridge or cartridges OPC).
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Is the printer exposed to direct sunlight?
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Is the printer exposed to an air conditioning or heating vent that can cause
temperature uctuations?
106 Chapter 2 Solve problems ENWW