Not printing in black

[blackbacon]

I have a Samsung CLX-6210 which had a problem with the duplex clutch. Have sorted out that problem but now it won't print or copy in black Colour is fine and have tried another black cartridge. Have also tried printing from memory but still no luck. It was working fine until I pulled it apart I have pulled it apart again and retraced my steps looking for a connector or something I may have disturbed but everything appears to be ok.
The drive to the black cartridge is ok. but no image?

Help!

[pack1]

No problem you can do one thing go to your printing option and change the cartridge colour in black and white.

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