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Samsung CLP-670ND printing multiple blank pages before jamming

sswilson

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Without digging too deeply into the model, what's the design as far as the "drum" goes? Do the toner replacements also incorporate a new drum, or is that something separate? If it's separate, what's the status of the drum, is it maybe time to replace that? (In many cases, that's definitely the time to consider just upgrading to a new printer).
 

HankB

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Aug 30, 2021
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AFAIK the drum (the fuser?) is a separate assembly. That was the first thing I swapped between the two units I have. The fuser has a roller and each toner cartridge also has a roller.
 

Valkyrie

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My money is still on something to do with sheet feed detection. If you found the right manual, that's a good start. it might be simple and cheap or it might not. It depends of what has failed. I wish you luck fixing it because printers play a huge roll in the massive e-waste problem.
 
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HankB

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Aug 30, 2021
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My money is still on something to do with sheet feed detection. If you found the right manual, that's a good start. it might be simple and cheap or it might not. It depends of what has failed. I wish you luck fixing it because printers play a huge roll in the massive e-waste problem.
I agree. However the manual is pretty vague about checking the sensors. There is one diagram that shows their location but I'm not actually able to identify them on the actual printer. Also since this seems to be age related, I'm wonder if there is a component like a bulging capacitor on one of the PCBs. I think I'll leave that to someone with more experience with printers. The last time I got rid of a printer I listed it on Craigslist (for free) and someone picked it up. I suspect they or someone they knew could repair it and get it back into service. Or at least scavenge parts from it.
 

Valkyrie

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Sometimes just pulling modules out an re-installing them will wipe electrical contacts enough to restore low level signals. The 670ND must also have a PTB unit, and the paper sensors are probably in it.

Can you link this manual you've found?
 

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