And the only way to get to them is to take it apart But not to worrry since it is not as hard as some may think.. I really have enjoyed using this HP and will try to hang in there with it. After you remove the small glass, you can actually use a long nose pliers to roll the scanner bulb to the openning so you can clean it. Fortunately you do not reach there easily with the pliers I clean them with a dry foam swab. Thank you very much! If the assembly is grinding with the “scanner warming up” message, it will never go to ready position.

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Thanks to whoever came up with the advice in the first place. If you are going to bash them do it for newer models not outdated units. I am still using USB cable.

HOWTO fix “scanner warmup” error on HP printer

The less you disassemble, the less likely you are to input more problems. Select all Deselect all. You may not have to have the unit in ready mode. Please sign in to comment.


The procedure is similar. Looks like there’s another one in there that cannot be reached this way.

After being a stubborn HP customer for many years, I’ve moved to Brother. Always works for me.

Sometimes a little dust on the mirrors will affect the calibration, so cleaning sometimes helps for a while. Remove four screws now visible at base of scanner assy. No software or drivers are available for this product with the selected operating system. Choose ‘Refresh’ to update the list. The procedure is scnaner skilled repair technicians and is not recommended without some knowledge of equipment scsnner. I would turn off the machine, unplug any usb or network cables attached and then restart.

HP3330 – How to Clean Scanner Mirrors

HP Download and Install Assistant. That will give the same scanner fail problem as dirty mirrors. Depends on how much dust.

Only need to unplug power. The key here is to keep the towel barely moist with glass cleaner.

HP Customer Support – Software and Driver Downloads

What do you think? Here are the steps: There are scores of threads on the HP site complaining about this scwnner. HP is compiling your results. So far its working like a charm Trade up – We can upgrade you to a newer printer we exchanged it for the old one.


The solution took 5 minutes to do, which was a simple cleaning. I hope that is clear. I have seen some directions on a couple of websites, but I would rather have them from someone I “know” so please go ahead and send them. Scabner got the service manual, which is very well detailed and helpful. I did not remove the scanner from the printer. I removed the small glass on the left, moved the scanner assembly to the opening, cleaned the mirror with a Qtip and it is fixed!! Thanks for taking the time to respond Ted – Anonymous.

I’m in Iraq and it is possible dust may be in the mirrors. Push down on the latch with a screwdriver and slide the whole panel assy.