How to remove and replace a printer roller on HP Laserjet p3005

Replaced seperation pad?. separation pad work is to block multiple paper feeding,but in yourcase paper not at all feeding means paper pickup roller not picking up the papers.replace both 2 & 3 paper pickup rollers..
See the snap shot,view from under.
Pickup roller( red)
Un lock to remove pick up roller(blue),observe the angle of the roller & same way insert new one other wise it wont fix..
Bee care full while removing roller, paper sensor flag should not distubed(yellow)
bee pateince dont do harsh..best of luck.

While going back, the paper not grabbing properly due to paper out roller got warn out, just file and make it rough on the surface, problem will solve.. You can see the paper out roller where paper coming out..

If you are getting jams in the fuser, then there may be paper stuck in there, or the roller sleeve is damaged or the drive gear could be bad. You are going to have to take the rear cover off to look at the fuser.
Someone trained is going to have to remove the fuser to inspect it.

Check Tay2 paper sensor flag, located at tray2 pick up roller, its its stucked shoot the fault

Hewlett Packard P3005 Fuser

The HP P3005 fuser is located at the back of the printer.

The fuser has a thin film upper roller which can be torn, some symptons can be "Wrinkled Pages","Poor Fusing", "Toner Rubs Off the Page", "Pieces of black Plastic Come Out".

*** The printer should be unplugged from any power source before any servicing is performed ***

The rear cover can be taken off by removing 2 screws. Once the cover has been removed the fuser can be removed by taking out 4 screws and 3 electrical connections.

Part Number and purchasing link below

RM1-3717-020

Hewlett Packard P3005 Fuser

The HP P3005 fuser is located at the back of the printer.

The fuser is suppose to last up to 200,000 pages, however they rarely get that far.

The fuser has a thin film upper roller which can be torn, some symptons can be "Wrinkled Pages","Poor Fusing", "Toner Rubs Off the Page", "Pieces of black Plastic Come Out".

*** The printer should be unplugged from any power source before any servicing is performed ***

The rear cover can be taken off by removing 2 screws. Once the cover has been removed the fuser can be removed by taking out 4 screws and 3 electrical connections.

Part Number and purchasing link below

RM1-3717-020

if you haven't any error message then you may have a problem in laser shutter, check and reseat your catrtidge, or you have a problem in your DC Controller

2 reasons:
1. Was there a paper jam prior to this problem? It could be that the paper was pulled out and a small bit of it is stuck on the pins that guide the paper from the heat roller. If no torn jammed paper prior to this issue, then check out 2.

2. the heater/roller is damaged and needs to be replaced. I would suggest you take it to your nearest HP dealer to properly diagnose this for you.This would save you unnecessary cost in trying to pull it apart and causing more damage to it.

Good Luck,

Print 3 pages. Use the manual feed tray. As they print, open the cover, remove the toner and look down at the paper in the printer. Do you see marks along the edge? If no...replace the fuser. If yes...it could be the transfer roller.

please reference here:
https://www.laserpros.com/hp_P3005_tray_2_pickup_assembly.asp
hope you fix it well