HP P2050 manual Troubleshooting process, Pre-troubleshooting checklist, General topic Questions

Troubleshooting process

When the product malfunctions or encounters an unexpected situation, the product control panel alerts you to the situation. This chapter contains information to help diagnose and solve problems.

●Use the pre-troubleshooting checklist to evaluate the source of the problem and to reduce the number of steps that are required to fix the problem.

●Use the troubleshooting flowchart to pinpoint the root cause of hardware malfunctions. The flowchart guides you to the appropriate section of this chapter that provides steps for correcting the malfunction.

Before beginning any troubleshooting procedure, check the following conditions:

●Are supply items within their rated life?

●Does the configuration page reveal any configuration 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 define the problem or problems.

General topic	Questions
Environment	●	Is the product installed on a solid, level surface (+/- 1°)?
	●	Is the power-supply voltage within ± 10 volts of the specified power source?
	●	Is the power-supply plug inserted in the product and the outlet?
	●	Is the operating environment within the specified parameters?
	●	Is the product exposed to ammonia gas, such as that produced by diazo copiers
		or office cleaning materials?
		NOTE: Diazo copiers produce ammonia gas as part of the coping processes.
		Ammonia gas (from cleaning supplies or a diazo copier) can have an adverse
		affect on some product components (for example, the print-cartridge OPC).
	●	Is the product exposed to direct sunlight?
Media	●	Does the customer use only supported media?
	●	Is the media in good condition (no curls, folds, or distortion)?
	●	Is the media stored correctly and within environmental limits?
Input trays	●	Is the amount of media in the tray within specifications?
	●	Is the media placed in the tray correctly?
	●	Are the paper guides aligned with the media?
	●	Is the cassette correctly installed in the product?
Print cartridges	●	Is each print cartridge correctly installed?
Transfer unit and fuser	●	Are the transfer unit and fuser installed correctly?

ENWW Troubleshooting process 191