Question about Brother Hl3070cw Hl-3070cw Color Laser Printer
Posted by Anonymous on
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Posted on Jan 02, 2017
Being a retired electronics technician, I located and downloaded a copy of the service manual. Then proceeded to hunt for the reason why the Paper LED was staying on. I put the printer into the Production diagnoses mode, then by process of alimination opened and closed each panel and cheack each sensor switch one at a time. At which time it was apparent the problem was the rear door sensor. So I started to disassemble the printer getting instructions from the Service manaul, as most electronic equipement there is a sequence process to accompliah this. and once I found that the method of the rear door sensor operated I found the bracket was not in the right position. I put the sensor bar back into it's proper position and put the printer back to normal opperateing mode, I found my problem was solved. So I reassembled the unit and plugged it back into the compter ran a couple of test sheets and cleaned and aligned the printer head(s) made a few adjustment and everything was back to normal.
I must say that locating the Service Manual was a feat, but worth every cent I paid for it which was $9 USD. Personally i think all service manuals should be available for all Brother products for a fee, then a large number of problems can be fixed by the owners without much bother to Brother.
I ahve two of these printers and would still purchase a Brother colour printers, my next purchase is going to be a Brother color laser printer. Out of all the printers i've used on my computers I like the brother the best.
Posted on Mar 22, 2008
SOURCE: My Brother HL-20 laser printer
All laser printers have 2 cylinders in the image..the mag roller, and the drum.
Usually the drum is marked by a foreign object e.g label or someone has touched it with their finger.
If you replace the cartridge your problem should go away
Posted on Dec 14, 2008
The brother drivers and software require for the machine is available at
Let me know if you need anything else.
Posted on Mar 05, 2009
The manual by-pass slot just below the brother name on the front allows a user to load envelopes just put the envelope in the slot and adjust the size.by closing the two grey tabs
Posted on May 01, 2009
you have a bad drum... it needs to be replaced
I’m happy to assist further over the phone at https://www.6ya.com/expert/norman_d2fa496dce30c65d
Posted on Dec 27, 2009
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