Question about Dell 1815dn All-In-One Laser Printer

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Dell 1815dn laser printer prints completely black pages

I have even tried replacing the ink cartridge with an empty one... and it still prints completely black pages! Dell support advised me to buy a new printer as my warranty has expired ;-) The justification was that replacing the high voltage power supply, which they pinpointed as a culprit, would cost almost the same as a comparable new printer. Is it possible that the roller is causing this - it's completely covered in ink... Perhaps it's not the HVPS? Thank you in advance.

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  • jc rose Apr 24, 2009

    I have the same problem, the pinter printed multiple black pages. Now it constantly reads JAM 2OPEN REAR& FRONT DOOR. Is there a cure?

  • tigertail
    tigertail May 11, 2010

    If it is black all across the page to the edges then it will be the HVPS board, if there is a margin then it is most likely the laser head itself. Either way it would be more economical to replace the printer than to get an engineer to swap parts. Sorry can't be of any more help to you this time :-(

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1. Charge – Print Quality (PQ) -- The charge roller evenly distributes a negative charge on the photoconductor (PC) drum. This evenly distributed charge acts as the film that is discharged (exposed) by the laser to create the latent image.
a. Print Quality effected: Faint, Entire Black background, Grey Fog/Haze
b. Parts Involved:
i. Drum -- A drum cartridge is coated with a photoconductive material that allows electricity to pass when exposed to light. As an example of why this can be the failure, if you leave a drum out in light long enough, you will get dark backgrounds or just black pages. However, drums do wear out over time too; specifically the photo material the drum is coated with. As this degrades, more of the positive electricity on the inside of the drum gets through and grabs toner, as if the laser wrote to every square inch of it. A damaged or defective PC drum can cause black streaks/lines, voids, speckles and various other print quality problems.
ii. Charge Roller Also known as the BCR or Bias Charge Roll. The charge roller pulls double duty. It energizes the outside of the drum with negative energy and as a result it cleans any previous latent images. If the charge roller were failing to energize either due to the HVPS or the charge roller itself, it wouldn’t clean any previous unused toner deposits from the last revolution would start to accumulate and appear on paper more and more causing haze. A missing charge roller causes completely black pages.

iii. HVPS – High Voltage Power Supply -- Responsible for charging components such as the inside of the drum, the charge roller, and transfer roller. If the HVPS does not give enough to the charge roller it can fail in erasing the drum, causing entirely Black pages to be printed.

Posted on Apr 27, 2009

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The dell (1600n and 1815n /1815dn) printer drivers has a toner saver mode, which can contribute to light print.

To turn Toner Save Mode off, (Windows XP) perform the following steps:
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  2. Right-click Dell Laser MFP 1600n, 1815dn, and left-click Printing Preferences.
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  3. Click the Advanced button.
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One thing that you mentioned in your post "it takes the printer forever to warm up". The fuser does have to reach operational temperature in order for it to fuse the toner to the page. So it is possible that you are having fuser problems, because of the time it is taking for it to warm up. Another thing that can contribute to the warm up time is not plugging the laser printer directly into a wall outlet. This would be true for any laser printer, not just a Dell laser printer. The low voltage power supply is what works the fuser, along with sensors and other motors in the printer.

Replacing the fuser and or the low voltage power supply in this model of printer is not an easy task. If using a Dell branded toner cartridge and checking the toner saver mode does not fix the issue. Then you would be looking at more expense then the machine would possibly be worth.

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*please rate me

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