Question about Lexmark Optra E312L Laser Printer

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Paper feed The printer makes a groaning noise as the paper begins to feed and then stops with the paper halfway behind the ink cartridge and all lights blinking.

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  • lhfineman Feb 05, 2008

    There is a wide rubber band at the center of the axle, and it does seem to be the source of the sound, but I don't seeanny other place that it should be.

  • T1mb0 Apr 07, 2008

    I had a similar problem with the groaning and then the paper stopped. The diagnostic error confirmed it was a laser scan head error and I traced the groan to the laser scan head unit. Initially I was thinking "oh no. this is going to be expensive". I worked out it started groaning when the little motor that spins the hexagonal mirror had some issues. I took it apart, cleaned out the crud, gave it a very light grease with some centrifuge grease (I work in a scientific lab). I assembled it and this is the bit that was critical. I noticed the mirror had a dot of glue on the top surface towards the edge. This is clearly to balance it make like you would a car wheel with brand new car tires. I match up the glue mark to a pen mark on the heavy part of the mirror unit. I was able to rotate this bit around relative to the mirror. I assembled it and tested it. It worked wothout groaning and I managed to get pages printed. I now have to fix all the paper feed problems.

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My e312l has the usual paper feed problems (no feed and multifeed). I bought it like this for $20 off Craigslist because it came with a brand new 6000 page toner and I figured it was a bargain if I could fix it. I downloaded the service manual to identify the parts involved. And post on the internet have really helped out. I've cleaned all the paper feed/seperator pads and rollers but this was only a short term solution. It worked OK for about 2 days. I did noticed that the pick roller assembly (part# 12G1933) tire is suppose to look like a "D" but was worn asymmetrically at the point where it first makes contact with the paper. I disassembled the printer to get to the pick roller assembly and took the tire off and flipped it end-over so the less worn point of the D was now in contact with the paper. This totally worked although at some stage I'll have to find a new tire. Where can you just buy a new tire for like $2 instead of the whole assembly for $30+?

Now I only have the multifeed problems to solve. Hopefully a new seperator assembly pad (part# 12G0064) and a new pick roller assembly pad (part# 12G0062) will sort it out and bring it back to like new. I'll add more posts when the new parts arrive.
T1mB0

Posted on Apr 07, 2008

  • T1mb0 Apr 08, 2008

    To solve the multifeed problems I replaced the following. the separator assembly pad (part# 12G0064), pick roller assembly pad (part# 12G0062) and the friction pads. Using the web I spent a few hours and I shopped around and got the cheapest parts all from the same place to save on shipping. It was a pain to strip the printer apart yet again. When I pulled the old bits out I realized how warn they all were and clearly they needed replacing. I reassembled the printer and my paper feed problems are considerably better. It still loaded 2 sheets of paper when the guides were not tight enough. I'll keep the guides tight and maybe use some thicker and smoother paper. I don't think I can do any more to make this printer better. I threw in a 32Mb stick of cheap memory too. I now have a fully functioning printer!
    T1mb0

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Hi seems to me that the paper feed separation pad is not in the correct place check and clean this should help if not get back to me.


Thanks J

Posted on Feb 05, 2008

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