Question about HP LaserJet 2100 Printer

1 Answer

Pickup Roller not turning for upper tray

Have a 2100 that is having issues pulling paper from the upper tray. The pickup on the lower tray is 100 percent. It will once in a while work and feed from the upper tray. On the failed feeds the roller does not turn and the solenoid does not release the gear on the roller shaft. Is this a issue with the solenoid, pickup assembly or main board. Any input on this would be much appreciated!

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  • biohazmtb Nov 30, 2007

    No I am not trying to feed from the bypass but tray #2. Tray 3 or the lower tray feeds fine. So are you saying that I have a sensor or switch that is picking up a signal for a sheet in the bypass feed. What would you reccomend to check or replace on this?

  • biohazmtb Dec 01, 2007

    I am in process of getting the roller just for the heck of it. The model number from the tag on back of the printer is C4170A. Call was put in for just a 2100 by the customer. I am not an expert on these as my background is on impact and large laser printers. I know the pickup roll is not turning as I watched it with the side cover off. The solenoid never released to allow that gear to be picked. After leaving the account and veiwing some of these posts my thoughts are that it is possibly sensing a sheet in the manual feed area. Did not realize that possibility while at site. Could this be a cause of the problem? Nothing had been changed in the setup so do not expect any problems in the configuration or drivers. Also once in a while this will feed a sheet from that tray although it is very seldom. Any further help would be appreciated as I am returning to work on this one Monday.

  • biohazmtb Dec 02, 2007

    I do not think that the config is or driver is an issue here. It does intermittently work but most times it has the error when trying to feed from that tray. Will give it a better look over on Monday when I have the solenoid and roller on site. Thanks for the suggestions.......

  • biohazmtb Dec 06, 2007

    Other calls took priority so just now getting back to this one.. Will let you know what I find.



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I think it is not a problem with the parts you mention, I think it may be that the printer is not getting told to feed from manual bypass tray (tray1) (ie driver setting)

what software are you using, is driver correct, what operating system, what are you tring to feed from bypass just standard?

I have fixed hundreds of these and the parts you mention I doubt is the fix

There are options on how this tray behaves available, in driver

tell me more and I'll help you

Posted on Nov 30, 2007

  • 1 more comment 
  • Soulvisitor
    Soulvisitor Nov 30, 2007

    your machine model must really be 2100DTN, or 2100T not 2100 cause you have extra draw option, I was assuming you had a 2100 without option as problem states. In driver make sure you are using 2100DTN or option of extra drawer is selected, also check that tray 2 is default and set to standard size, also check document page size is same as tray size, use windows test page to test feed or test via operations panel.

    How do you know feed roller doesn't turn, 99% of the time the fault is caused by worn/dirty paper feed roller

  • Soulvisitor
    Soulvisitor Dec 01, 2007

    I think that the problem is may not be with feed, it is with machine not being told to feed from that cassette, check driver settings, how are you telling machine to print, can use printer operations panel to eliminate it being a driver/page size issue.

    Check driver settings like page size, paper type and also ensure doc page size is same as set for that cassette.

    If maunual feed is activated then manual feed will operate or paer light will come on, pretty pointless me asking you stuff when youre not even at printer to check it.

  • Soulvisitor
    Soulvisitor Dec 04, 2007




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1 Answer

How to replace pickup rollers

This should help. Good luck !

Cassette (Tray 2) paper pickup and feed rollers

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2 Locate the two rollers on the bottom of the paper pickup unit (above the cassette). The pickup

roller is the smaller roller, and the feed roller is the larger roller.

3 Pinch the tab on the end of the cassette pickup roller (callout 1), and pull the roller out.

4 Pinch the tab on the end of the cassette feed roller (callout 2), and pull the roller out.

Figure 6-24 Removing the cassette pickup and feed rollers

Note Always replace the cassette pickup roller and the cassette feed rollers at the same time. Also replace
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Paper Tray Rollers Step 1 Turn off and unplug your HP printer. Pull out your printer's paper tray and locate the printer rollers on the paper tray. Each roller is gray or black, and they are made of rubber. Remove the rollers from the tray.
On HP inkjet printers, the printer roller is not on the paper tray; it is on the area inside of the printer where the paper tray slides into the unit. Remove the paper tray and sit your HP inkjet printer upright, so the paper tray area is facing upward, and then look for the printer roller.
Step 2
Pour 1 tbsp. of isopropyl alcohol or clean water onto a lint-free cloth and scrub the paper or internal tray rollers with the cloth. Fold the cloth in half and repeat the cleaning process until the rollers are free of dust and debris.

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Internal Pickup Roller - Laser Printers Only Step 1 Turn off and unplug your HP printer. Open your printer's front door and pull the printer's toner cartridge toward you to remove it from the printer.
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Locate your printer's internal pickup roller. The roller is gray or black, and it is made of rubber. Lift the roller upward, towards the front of your printer. Pull the roller gently out of the printer and lay it on a clean surface, such as a desk or workbench.
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Pour 1 tbsp. of isopropyl alcohol or clean water onto a lint-free cloth and scrub the pickup roller with the cloth. Fold the cloth in half and repeat the cleaning process until the roller is free of dust and debris.
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If so then you need to make sure the paper tray size is correct for your paper stock.

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Most of the time, paper feed issues have to do with two sets of rollers in your machine that are responsible for paper pickup and paper separation. (It sounds as though you may have a "pickup" issue).

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Printing problem with HP Laserjet P2015 printer

This can be an issue with one of the faulty sensor across the printer.
Please check if you are able to print from tray 1, e.g. a configuration page.
A config page can be printed by holding the Green Button and releasing it as soon as the Triangle light comes on. This would take approx 5 secs.
If the printer is able to print from tray 1, then it could be an issue with the tray 2 pickup sensor.
Check if the tray 2 pickup sensor ( a black plastic piece to the right of the tray 2 pickup roller) is moving freely (front and back), also check if tray 2 pickup roller is not able to rotate completely.

If the tray 2 sensor is not moving freely and of the pickup roller is rotating completely, then reseat the pickup roller.

Normal use with good media causes wear resulting in the need to periodically clean or replace the pickup roller. Additionally, the use of poor media might require more frequent replacement of the pickup roller. Replacing the pickup roller Complete the following to replace the pickup roller:

CAUTION: Failure to complete this procedure might damage the printer. Unplug the power cord from the printer, and allow the printer to cool.

Figure 1: Unplugging the power cord
2. Open the print cartridge door, and remove the print cartridge.

Figure 2: Removing the print cartridge
3. Remove the main input tray (Tray 2).

Figure 3: Removing the main input tray (tray 2)

4. Open the front automatic two-sided path door (HP LaserJet 1320 series printer only).

Figure 4: Opening automatic two-sided path door


5.Place the printer on the work surface with the front of the printer facing up.

Figure 5: Placement of printer


6. Pull the white tabs outward, and rotate the tabs up.
Figure 6: White tabs

7. Slide the right tab to the right, and leave the tab in this position throughout the procedure.
Figure 7: Right tab movement

8. Slide the pickup roller assembly to the right, and remove the left end cap.

Figure 8: Pickup roller assembly movement


9. Remove the pickup roller.

Figure 9: Pickup roller


10. Insert the left side of the new pickup roller into the left slot (1), and insert the right side (with notches in the shaft) into the right slot (2).


11. Rotate the shaft until the notches engage and the shaft clicks into place. 12.Place the end cap over the shaft on the left side, push the end cap to the right, and rotate the tab downward into position.

Figure 11: Pickup roller end cap


13.Push the right tab to the left, and rotate the tab downward into position. 14.Place the printer on the work surface with the top of the printer facing up. 15.Close the front automatic two-sided path door.

Figure 12: Closed automatic two-sided path door
16.Reinstall the print cartridge, and close the print cartridge door.

Figure 13: Print cartridge

17.Plug the printer in to turn it back on.

Figure 14: Power cord in


Cleaning the pickup roller

Perform the following to clean the pickup roller.

1.Remove the pickup roller as described in steps 1 through 9 of Replacing the pickup roller above.

2. Dab a lint-free cloth in water, and scrub the roller.

Figure 15: Scrubbing the roller

3. Using a dry, lint-free cloth, wipe the pickup roller to remove loosened dirt. Figure 16: Wiping the pickup roller

4. Allow the pickup roller to dry completely before you reinstall it in the printer (see steps 10 through 17 of Section with a task ).

Figure 17: Reinstalling the pickup roller

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