The TN670 toner cartridge and DR600 drum unit are two separate units that are sold individually. The drum unit generally needs replacing after 4-6 toner cartridge changes. When replacing the toner cartridge the old drum unit MUST be separated from the old toner cartridge and re-used with the new toner cartridge unless a new drum is being installed as well.
Not Recognizing
Verify they have the correct toner cartridge or drum unit for their specific printer model.
The toner cartridge uses a flag gear to hit an actuator inside the printer and reset the page count for the toner. Be sure that the cartridge is fully inserted into the printer. Try removing and reinstalling the toner cartridge. Check the side of the cartridge and make sure the flag gear is in the correct position. The flag gear can’t be reset without disassembling the cartridge so if it’s in the wrong position on a never used cartridge you will need to reship.
The drum unit uses a page counter on the printer that MUST be MANUALLY reset each time a new drum unit is installed. If the drum light is still on after replacing the drum unit this means that the drum life has not be reset on the printer. On the HL-6050 printer, you will want to open the front cover, press and hold down the GO button until “>>>>DRUM CLEAR” is displayed, then release the GO button. Close the front cover.
Not Fitting
The toner cartridge and drum unit are two separate pieces that install into each other. When replacing the toner cartridge you MUST remove the old drum unit from the old toner cartridge and re-use it with the new toner cartridge. Install the new toner cartridge into the old drum unit before installing them into the printer. If the customer is saying the toner is too small then they probably are attempting to install the toner cartridge on its own without the drum unit. Make sure they install the toner into the drum first then install into the printer.
The TN670 toner cartridge also have a yellow plastic protective clip which must be removed from the front of the cartridge.
To remove and install the TN670 toner cartridge and DR600 drum unit in a Brother HL-6050 printer do the following;
– Press the cover release button and then open the front cover of the printer.
– Take out the drum unit assembly (drum unit with toner cartridge).
– Push down the blue lock lever and take the toner cartridge out of the drum unit assembly.
– Put the new toner cartridge, or if you are replacing the drum unit put in the old toner cartridge, firmly into the drum unit until you hear it lock into place. If you put it in properly, the lock lever will lift automatically.
– Some cleaning will need to be performed to help prevent print quality issues. This is required any time the toner cartridge or drum unit is replaced. Gently wipe the scanner window with a dry, soft cloth. Do NOT use moisture of any kind.
– Clean the primary corona wire inside the drum unit by gently sliding the blue tab from right to left and left to right several times. Return the tab to the home position (▲) before you put the drum unit back into the printer. If you do not, printed pages may have a vertical stripe.
– Put the drum unit assembly back in the printer. Close the front cover of the printer.
Click on the YouTube video below to watch a video on removing and installing the TN670 into the DR600 as well as cleaning the corona wire.
[youtube]http://www.youtube.com/watch?v=fUrFGDJ1BKg[/youtube]
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When installing a new drum unit: The drum unit uses a page counter on the printer that MUST be MANUALLY reset each time a new drum unit is installed. If the drum light is still on after replacing the drum unit this means that the drum life has not be reset on the printer. To reset the drum life on the HL-6050 printer do the following;
– Open the front cover.
– Press and hold down the GO button until “>>>>DRUM CLEAR” is displayed, and then release the GO button.
– Close the front cover.
Print Quality Issues
Make sure the cleaning steps outlined in the above steps were completed. If not, be sure to do the cleaning steps outlined above.
On the TN670 toner cartridge, check the rubber roller for damage or debris. Do NOT touch the rubber roller or use moisture of any kind around the toner cartridge.
On the DR600 drum unit with the toner cartridge removed, check the OPC drum for damage or debris. Do NOT touch the OPC drum and do NOT use moisture of any kind.
Try gently rocking the toner cartridge from side to side a few times to evenly distribute the toner powder inside the cartridge.
The drum unit is a maintenance item and will need to be replaced after a period of usage. Ghosting, streaking, and lines are generally a drum related issue.
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