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Benford Roller MBR71 not charging new battery

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RICOH MP 2000 ERROR OCCURED SC302


That is a charge roller current leak. A current leak signal for
the charge roller is detected. Possible cause- charge roller damaged or high voltage supply board defective. Check the charge roller first. On the drum, the rubbery roller.

Jul 10, 2014 | Ricoh Aficio MP 1600L Black and White...

1 Answer

I,ve got a terex benford cement mixer and the chain on the drive sprocket is very slack. is there a tensioner on these mixers or how can they be tensioned. this mixer is about 7 years .


no they go like is when they need a new chain. you can adjust it on the motor cog but is best to change the chain. the chain streches over time and becomes weeker

Oct 06, 2013 | Home Fencing

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1981 Tomy Up Down Change Around Roller Coaster


Our battery was dead and would not recharge . Batteries + Plus built me a new one. Problem is, motor is dead and am looking for one to fit.

Feb 08, 2013 | Tomy Toys

1 Answer

Lexmark T642 print gray though new cartridge


Hello,

The main cause of light print is a bad set of charge and transfer rollers. These rollers are used to put a charge on the paper and transfer the toner to the charged paper. When the rollers get worn out they can not put the proper electrical charge on the paper so the toner does not stick to it as it should. One roller sits under the toner cartridge and on is on top on the cartridge. If you pull out the toner and look inside the printer you will see the transfer roller and if you start to close the lid with the toner out you will see the charge roller come into view. Here are pictures of each one. Transfer roller first.

2_18_2013_9_41_31_pm.jpg

2_18_2013_9_41_48_pm.jpg

These rollers come in the preventative maintenance roller kit. This kit is available at the following link. The kit also comes with the pickup rollers.

http://www.ccl-la.com/catalog/product_info.php?products_id=301

Jan 25, 2013 | Lexmark T642 Laser Printer

2 Answers

Copies and faxes double images how to solve


put an old or new toner cartridge in it to see if the double imaging goes away. If it is still there its the fuser. I can help you with that if you need supplies for the fuser. Steven 818-888-0006

Mar 05, 2010 | Canon imageCLASS D880 All-In-One Laser...

1 Answer

Dell 1815dn laser printer prints completely black pages


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.

Apr 16, 2009 | Dell 1815dn All-In-One Laser Printer

2 Answers

How do you install the charge roller on Lexmark T632 tn


There is a great video you can watch here that will show you how to change this.

Apr 09, 2009 | Lexmark T632tn Laser Printer

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