ERROR 11 – Paper Out (MP/PC/UC/LC/EC/LE LOAD)
Paper tray empties or not seated correctly. A buildup of toner on the tray’s sides, which slides into the printer, can sometimes cause problems. Take a pointy tool, sort of a razor blade, and scrape the buildup off these edges.
Sensor Arm Stuck or Broken – check for free of charge movement of the sensor arm. On the LJ4/4M/4+/4M+, the sensor flag can get knocked out of place when a paper jam occurs, and therefore the tray is pulled out abruptly. Most times, this will be reinstalled. If it’s broken, you’ll get to replace the sensor flag.
Defective Tray Size Sensing or Configuration – Most trays have tabs that depress a series of switches when installed. Verify that the accounts aren’t damaged which the tray switches located within the printer aren’t damaged. You’ll crush these by hand and listen to them click. Occasionally the contact for the microcontroller will get bent and can need to get replaced. Also, verify the configuration through the menus on the printer for Fix HP LaserJet 02-30 Error.
Defective Paper Control Sensor PCB – These do fail and can get to get replaced.
ERROR 13 – Paper Jam
Check the paper, confirm it meets the paper specifications for your printer. Tractor feed paper with the sides ripped off doesn’t seem to figure alright. Extremely heavy or thick paper is additionally a drag. Check the HP paper specification guide for more info. Take care with labels. Use only tags designed to require the warmth generated by the fuser assembly. Regular labels my “ooze” adhesive as they undergo the fuser assembly and clog the works! Also, check for any partially peeled labels. This will be a disaster if they are available off inside the printer.
Check the paper path for toner or paper dust buildup. Search for bits of paper lodged within the course, particularly around the sensors. 4L/4P printers can have pieces stuck within the pickup area, which is accessed by removing the screw over the oblique roller cover.
You may have a worn pickup roller. Standard on the LJII/III series maybe a worn input pickup roller. Sometimes you’ll clean these and obtain a couple of more miles out of them, but once you start to urge jams with a smudge on the highest middle of the page, it is time to exchange both the input pickup roller assembly and, therefore, the cork paper separation pad. On the IIP/IIIP, you’ll wipe toner/paper dust buildup off the roller and also remove the separation pad (small cork pad) and clean it again. If the rollers are glazed otherwise, you see cracks, replace the roller or assembly. Replacing the pickup roller and separation pad on the IIP/IIIP will quiet the chatter related to a worn separation pad.
Is the paper size correct? Is that the software set for the dimensions you’re using? Is that the menu assigned for the measurements you’re using? Check these things. If the software tells the printer to expect a specific size (legal, A4, COM10) than the tray available, you’ll get a mistake. This will happen when printing a FAX document formatted for A4 size paper.
You could even have a defective or dirty exit sensor. Replace or clean as required.
Make sure the paper cassettes are installed correctly. A buildup of toner on the tray’s sides, which slides into the printer, can sometimes cause problems. Take a pointy tool, sort of a razor blade, and scrape the buildup off these edges.
Bad paper pickup solenoid. The rubber damper on the LJII/III series on the clutch release solenoid can degrade and become sticky and gummy. You’ll remove it and replace it with a bit of adhesive-backed felt. Note: A sticky solenoid also can be the explanation for text appearing lower on each successive page.
Bad drive gears. Again on the LJII/III, we are beginning to see more and more gear drive assembly failures. A broken tooth on one gear is all it takes. Replace this as an assembly.
Listen for the motor operation, confirm it’s operational. If not, replace the motor or drive circuit as needed.
HP IIP/IIIP and Apple Personal LaserWriter’s that pick up the paper then crunch it up at the toner cartridge usually have a nasty drive gear assembly. If the paper wrinkles right at the toner cartridge, it’s presumably the drive gear located on the right side of the printer. If you fold down the proper side cover, you’ll see a white gear/clutch assembly. Replacing this could solve your problem. You would like RG1-1777, Drive Gear Assembly. Take a glance at the white gear – if it’s as if it’s twisted on the shaft, that’s the matter. You’ll remove it and rotate the inner white gear – it should exhibit a one-way clutch action and rotate smoothly. The outer bag should turn in one direction only with a spring action, which limits its rotation.