How to correct a jammed printer hp6455e with too thick paper?? Can't find any access door

[Frits1940]

I am getting error messag 4 and a vertical amber light flashing oon the right side of the panel

[Nal_NR]

Hi @Frits1940,

Welcome to the HP Support Community. 

Do not worry, I'd be happy to help you! 

I understand that you are facing issues with paper jams on your printer. 

When the printer detects a jam, it tries to resolve the issue automatically. If it cannot, it stops, and you must fix the problem manually.

The front panel starts the paper jam wizard to display where the jam occurs and how to fix it.

Clear the paper jam as instructed on each screen of the wizard. When you have removed all the paper, tap Check now to check that the problem has been fixed successfully.

Paper jam in a drawer

The following steps provide the complete procedure for this topic.

If the paper jams in a drawer, you may need to clear it manually.

Open the drawer in which the paper jam has occurred.

Cut the paper if necessary.

Open the front cover of the drawer.

Areas where a jam may occur are identified with this label:

Move the cutter to the right-hand side, unless it is there already.

CAUTION:

Take care not to cut yourself when moving the cutter.

CAUTION:

Do not dismantle the cutter assembly: refer it to qualified service personnel for servicing.

Remove the paper, cutting it manually if necessary.

Make sure there are no loose pieces of paper left in the drawer.

Close the front cover of the drawer.

Rewind the paper.

Cut off the leading edge of the paper if it has been damaged.

Rewind again and feed the paper into the slot.

Use the paper-cut button to cut the leading edge again.

Close the drawer.

Wait until the printer is ready for paper.

The printer resumes the job and automatically reprints any lost pages. However, you should check that all pages of the job have been printed.

For better clarity, refer to this document which helps along with the images.

You may also refer to this document where you find some videos regarding paper jams
 

Hope this helps! Keep me posted for further assistance.
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