Question about HP LaserJet 4250n Printer

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Where can you find the feed rollers for the HP LJ 4250's enveoper feeder. The part number for the feeder is Q2438-67902.

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You can order these parts directly from the HP website at http://partsurfer.hp.com/Search.aspx?SearchText=Q2438-67902

Posted on Jun 04, 2010

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1 Answer

Need to perfrom nvram init on HP 4250


To initialize NVRAM, turn the printer power off. Remove any installed accessories (for example, a stapler/stacker). Turn the printer power on, and then hold down (SELECT button) when the memory count begins. Continue holding down until all three printer control-panel lights flash once and then remain on. This might take up to 10 seconds. Press (UP ARROW button). Press the PAUSE/RESUME button (LJ 4200/4300) or the MENU button (LJ 4250/4350). The display should show SKIP DISK LOAD. Press (UP ARROW button) until NVRAM INIT is highlighted. Press (SELECT button) the printer initializes NVRAM and then continues its power-on sequence.

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HP 4250 SKEWING PAPER


Yes, it is possible to be the problem. Most of the time you would replace the whole fixing unit, it could also be the paper feed rollers in the paper tray or the manual feed tray. Good Luck

Sep 04, 2012 | HP LJ 4250 Printer

1 Answer

I have a hp laserjet 4250 printer it had a paper jam in tray 2 i have cleared the jam but it keeps saying i still have the jam in tray 2


There is still paper stuck in the printer. try lifting the printer off of tray 2 to inspect it or here it is straight from the service manual...

Jams in tray 2

Table 7-10 Causes of tray 2 jams

Cause Solution

The feed or separation rollers are dirty, worn, or damaged. Clean the rollers. If they are dirty after cleaning, or if they are

worn or damaged, replace the rollers.

The pickup roller is worn or damaged. Replace the pickup roller.

The tray 2 paper pickup assembly drive gears are damaged

or the assembly is defective.

Check the drive gears in the paper pickup drive assembly.

Replace the pickup drive assembly if the gears are

damaged. See Paper-pickup drive assembly.

The tray 2 pickup solenoid (SL101) is damaged. 1 Disconnect the connector for the tray pickup solenoid

from the dc controller PCA (location J92).

2 Measure the resistance between the cable connectors.

3 If the measured resistance is not approximately

160 ohms for the HP LaserJet 4200/4300, or 110 ohms

for the HP LaserJet 4250/4350, replace the tray 2

pickup solenoid.

The tray 2 lifter-drive assembly or the stack position

sensor (PS107) is defective.

Replace the lifter-drive assembly. See Tray 2 lifter-drive

assembly and/or Printer switches and sensors.

The dc controller PCA is defective. Replace the dc controller PCA. See Dc controller PCA.

Dirty, worn, or deformed pick-up roller, cassette separation

roller, and cassette feed roller.

Clean the rollers if they are dirty. Replace any worn or

deformed rollers. The cassette separation roller and the

cassette feed rollare are to be replaced together.

Damaged gears in the cassette pick-up drive unit. Move the gears in the cassette pick up drive unit. If the

gears are not rotating correctly, or are damaged or worn,
replace the cassette pick-up drive unit.

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2 Answers

HP LJ 3030 w/ USB connection to a computer with Windows Vista Home Premium Svc Pack 2. 64-bit Operating System. Problem: When I feed legal size docs through the doc feeder, the scan is letter size. I...


Hello Steve !
The only way scanning Legal documents on this HP LJ 3030 willbe using the ADF ( Automatic Document Feeder) since the size of the flatbed its only for letter.

So, after placing the document on the automatic document feeder theres a few setting you will need to change on the printer.

Number 1 : Go to Main Menu on the printer and look for System Setup, under system set up look for Paper setup,hit ok and now look for "Def. Paper Size" and set it to "Legal"

Number 2 : you should have a button on the printer control panel (Physical printer) that says " Reduce / Enlarge" , hit it and make sure the one selected is "original=100%"

Now just hit "Start Copy" and it print LEGAL ! it worked for me

Hope this help !

You can contact me at:

eliteprintersolutions@gmail.com
Bryan

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1 Answer

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It is a problem with the drive train. It is not finishing the feed process. Or it could be the toner. Try replacing the cartridge and see if that helps.

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Try putting Isopropyl alcohol on the feed rollers. These rollers become hard and smooth with time and cause all sorts of paper feed problems. You can find isopropyl alcohol at any drug store(it is rubbing alcohol).

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Printer will not feed paper. Says it out of paper


are the feeder rollers moving? If so, the paper feeder rollers need to be cleaned.

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1 Answer

Smudged image in HP 8000dn


You need a new TRANSFER ROLLER, it's the spongy roller under the drum.

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2 Answers

Cannot print odd-sized envelope with 4250 LJ


I got to HP tech support, and they tell me that the envelope feeder is intended only for a few standard envelope sizes. If we're trying to use a different sized envelope, as in this case, it must be fed manually, and the feeder bin will not work. So that answers that. Thanks for the help, though.

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2 Answers

Paper jam


Look at this link for information on paper jams on the HP LJ 1320:

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=110&prodSeriesId=410622&prodTypeId=18972&prodSeriesId=410622&objectID=c00230694





Here is a general link to HP's support site for paper feeding issues:

http://h20000.www2.hp.com/bizsupport/TechSupport/SupportTaskIndex.jsp?lang=en&cc=us&taskId=110&prodSeriesId=410622&prodTypeId=18972&supportTaskId=12407



Mike

Nov 08, 2007 | HP LaserJet 1320n Printer

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