HP All In One Troubleshooting Guide

Bitstop Network Services, Inc Syndicated Posts, Technology
Introduction
If the all-in-one product will not power up correctly, the problem can be with the all-in-one product, power cable, external power supply module, automatic document feeder (ADF) cable, computer parallel port, electrical outlet, surge suppressor, or power strip.
Some all-in-one models have an internal power supply instead of an external power supply module. If the power cable plugs directly into the all-in-one, the all-in-one has an internal power supply. To identify the difference between a power cable and external power supply module, reference the images below:
Figure 1: Power cable
Figure 2: External power supply module
The all-in-one product will not turn on
If the all-in-one will not turn on at all, follow the steps below in order to determine the cause:
  1. Verify that there is power at the wall outlet.
  2. Verify that the computer and the all-in-one product have a three-prong power plug.
  3. Remove the product cable from any power strips or surge suppressors, and plug it directly into a grounded (three-prong) wall outlet.
  4. For models that have an external power supply module, verify that the power supply module is plugged in correctly. Some power supply modules have a green LED built into the connector end or on the power supply module. This LED will be lit if power is present. If the LED is not lit, replace the power supply module.
  5. Plug the power cord into a different electrical outlet.
  6. If the all-in-one has an ADF with an external cable plugging into the back of the product:
    1. Turn off the unit.
    2. Unplug the power cable from the wall outlet.
    3. Unplug the ADF cable from the back of the product.
    4. Plug the ADF cable to the back of the product.
    5. Plug in the power cable to the wall outlet, and turn on the power.
      • If no change, the problem is not the ADF.
      • If the problem clears, turn off the all-in-one, unplug the power cable, and plug in the ADF.
      • If the error returns, the ADF is defective. Contact HP Customer Care to get the ADF replaced.
  7. Unplug the USB or parallel communication cable from the back of the all-in-one and try to power up the all-in-one. The computer may be grounding out through the communications cable. If this corrects the issue, check the grounding of the computer and outlet.
    If the above steps did not resolve your issue, contact HP for additional issue verification or the servicing of your product.
The all-in-one product turns off repeatedly
When there are low power problems, the all-in-one may turn off repeatedly. Low power is a common problem in many home offices, because of the number of electronic devices concentrated in one area. To correct the problem, follow the steps below:
  1. Unplug the all-in-one power cable from any power strip or surge suppressor. Plug it directly into a wall outlet.
  2. Verify that the computer power cable, the all-in-one power cable, and the power strip have a three-prong plug.
  3. Reduce the number of devices sharing the power circuit in the office or home wiring.
  4. If the problem still exists, service your product.
The all-in-one product display always reads "Initializing"
This may occur in a low power situation. Follow these steps in order to determine the cause:
  1. Verify that the computer and the all-in-one product have a three-prong power plug.
  2. Unplug the product cable from any power strips or surge suppressors, and plug it directly into a grounded (three-prong) wall outlet.
  3. If the all-in-one has an ADF with an external cable plugging into the back of the product:
    1. Turn off the unit.
    2. Unplug the power cable from the wall outlet.
    3. Unplug the ADF cable from the back of the product.
    4. Plug the ADF cable to the back of the product.
    5. Plug in the power cable, and turn on the power.
      • If no change, the problem is not the ADF.
      • If the problem clears, turn off the all-in-one, unplug the power cable, and plug in the ADF.
      • If the error returns, the ADF is defective. Contact HP Customer Care to get the ADF replaced.
  4. Unplug the USB or parallel communication cable from the back of the all-in-one and try to power up the all-in-one. The computer may be grounding out through the communications cable. If this corrects the issue, check the grounding of the computer and outlet.
    If the above steps did not resolve your issue, contact HP for additional issue verification or the servicing of your product.
"Turn Power Off then On" error messages
This may occur in a low power situation. Follow these steps in order to determine the cause:
  1. Check for jams in the unit or in the ADF (if applicable).
  2. Verify that the computer and the all-in-one product have a three-prong power plug.
  3. Remove the product cable from any power strips or surge suppressors, and plug it directly into a grounded (three-prong) wall outlet.
  4. Unplug any other devices attached to the parallel or USB ports. Some devices use a software key that plugs into the parallel port. This can cause an error on the all-in-one.
  5. If the all-in-one has an ADF with an external cable plugging into the back of the product:
    1. Turn off the unit.
    2. Unplug the power cable from the wall outlet.
    3. Unplug the ADF cable from the back of the product.
    4. Plug the ADF cable to the back of the product.
    5. Plug in the power cable to the wall outlet, and turn on the power.
      • If no change, the problem is not the ADF.
      • If the problem clears, turn off the all-in-one, unplug the power cable, and reconnect the ADF.
      • If the error returns, the ADF is defective. Contact HP Customer Care to get the ADF replaced.
  6. Unplug the computer parallel cable from the back of the all-in-one and try to turn on the all-in-one again. The computer may be grounding out through the parallel port. If this corrects the issue, check the grounding of the computer and outlet.
    If the above steps did not resolve your issue, service your product.

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