HP Photosmart 475 stuck on startup (Error Code 00000003)

[NiklausZaccher]

Hello everyone,

I have a problem with my HP Photosmart 475 (Q7011A).

When I power it on, the HP Invent logo appears and the progress bar at the bottom keeps moving. After a few minutes, the screen changes to a pink background showing Error Code: 00000003.

I have already tried powering it on without the ink cartridge, without any memory cards inserted, and after performing several power resets, but the behavior is always the same.

Has anyone experienced this issue or knows what Error Code 00000003 means or how to solve it? I think is something like "booting/starting issue" but no to much data on the web.

Any help would be greatly appreciated.

Thank you!

[BeemerBiker]

Pull the Internal Battery (Crucial for Photosmart 400 series)Unlike most printers, the HP Photosmart 475 has a compartment for an optional internal backup battery. If a battery is left inside, a standard power cord pull won't fully clear the corrupted error memory.

• Turn off the printer power.
• Unplug the power cord from the back.
• Flip the printer over, open the battery compartment cover, and completely slide out the internal battery.
• Leave the printer completely dead (no cord, no battery) for at least 5 full minutes to force the motherboard to lose its memory state.
• Reinsert the battery, plug the power cable directly into a wall outlet, and turn it back on

[NiklausZaccher]

Thank you very much for your quick response!

I have already tried leaving the printer completely disconnected from power for several hours, so it was fully discharged before powering it on again, but unfortunately the problem remains exactly the same.

The only difference is that I no longer have the optional internal battery (I lost it), so all of my tests have been performed without it installed.

Unfortunately, it still boots to the HP Invent screen and then ends up showing Error Code 00000003.

[BeemerBiker]

That is not good.

Here is the official parts list for the product ID Q7011B

https://partsurfer.hp.com/?searchtext=Q7011B

Ebay has a lot of parts.

Disassemble and get the part number for the PCB and see if you can find that board using google or bing

You could ask over here for advice

Look at the PCB for bad capacitors or damage.  Take a picture and post it here.

Bad Capacitors

Overheat Symptoms