Question about HP LaserJet 2840 All-In-One Printer
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Posted on Jan 02, 2017
problem has already been solved on another post here.
See this link for excellent instructions:
Posted on Jan 22, 2009
Hi We've been seeing alot of the HP Color Laserjet range of laser printers coming through with a "prints lightly with red" or "red is faded" fault report, we've been able to resolve the problem mostly by cleaning the scanner. Misalignment is normally resolved therafter by calibrating the machine using its calibration function. (if it has one) Wouldnt suggest this gets tried unless one is familiar with stripping and reassembling these machines though. Hope this helps.
Posted on Mar 23, 2009
contacted dell tech support. noticed that the rotator frame was slightly bent. tech told me that the printer had to be replaced since they do not offer parts for this.
Posted on May 28, 2009
SOURCE: Service required E527
E527 indicates a developer home position error. With the front cover closed you should be able to freely rotate the cartridge "carousel" from the top with the PCU removed. If it does not rotate smoothly then something is broken and the printer will require stripping completely and the broken parts replaced. If this is the case then it is unlikely to be economically repairable. If the carousel does rotate freely however, then it is one of the following: Either the MCU (engine) Board itself is faulty, there is a wiring fault or the Sensor Rotary Home Position is faulty/dirty. The sensor is the first and most obvious thing to check but it requires taking off the L/H cover and removing the Low/High Voltage power supply board to get at it. I would recommend getting someone experienced at repairing printers to do this, but if you really want to give it a go then follow this link;
Posted on Jul 27, 2009
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