Question about HP LaserJet 2840 Printer
THE ADF HAS TROUBLE PICKING UP PAPER. I CHECKED ON THE HP.COM WEBSITE TO TROUBLESHOOT AND IT SAID THAT I NEED TO ORDER AN ADF PICKUP ROLLER ASSEMBLY. HOWEVER, I HAVE BEEN UNABLE TO FIND A WEBSITE, ETC WHERE I CAN HAVE OUR PURCHASE CARD HOLDER ORDER THIS FROM. ANY ASSISTANCE WOULD BE GREATLY APPRECIATED!
Courtesy of Printersupplies.com here is a link to the page that is selling the ADF for your Laserjet 2840 Printer:
Posted on Feb 10, 2009
No problem, I had the same problem with a printer. Check this out, not too expensive either.
Posted on Feb 10, 2009
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Posted on Jan 02, 2017
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Feb 07, 2011 | HP LaserJet P3005n Printer
Jams in tray 2
Table 7-10 Causes of tray 2 jams
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
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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