Konica 4690 mf switchback jam

The error message "print drum error and front cover open" on a Konica Minolta Pagepro 1590 MF multifunction printer typically indicates that there is a problem with the print drum unit, and that the front cover of the printer is not properly closed. Here are a few steps you can try to resolve the issue:

1. Close the front cover: Make sure that the front cover of the printer is properly closed and latched shut. This will help to ensure that the print drum unit is properly seated and can function properly.
2. Check the print drum unit: Remove the print drum unit from the printer and carefully inspect it for any visible damage, such as scratches or cracks. Make sure that the drum is not damaged, and also make sure that it is not dirty. if it is dirty clean the drum with a dry and soft cloth.
3. Slide the blue tab: Make sure that the blue tab on the print drum unit is in the correct position. The tab should be sliding easily back and forth across the drum unit and the drum unit should be locked in place.
4. Reinstall the print drum unit: If the print drum unit is not damaged and the blue tab is in the correct position, then re-install the unit into the printer.
5. Reset the printer: Once the print drum unit is reinstalled, try resetting the printer by turning it off and unplugging it for a few minutes before plugging it back in and turning it on again.

If you have done all these steps and the problem persist, it's possible that the print drum unit itself is faulty and will need to be replaced. If that's the case, it's best to contact a service technician or the manufacturer for help in replacing the unit.
Please note, it's always recommended to refer to the user manual of the printer or consult with an authorized technician before taking any steps, this will help you to avoid any possible damage to the printer or any other parts.

Self Help Product Support Konica Minolta Business Solutions Inc

try this

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Check the contacts on the relay connector. Or re-flash the firmware on the machine.

replace the yellow toner container with OEM NOT THIRD PARTY

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I would open up the scanner and check to see if it can move, When you turn on the machine does the scanner try to move before the code shows up.

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below the image units

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I would recheck the network setting first why where they changed???

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as before check the network setting correct ip address cabling usb?

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replace the Yellow magenta and cyan image units

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Step 1 Turn the printer off and on to see if it can automatically clear some or all of the jam. Many printers provide an error-code listing on the front panel display for the area where the jam occurred. If your printer shows an error code, be sure and check the printer manual to see if that identifies the area of the printer where the jam occurred.

Step 2 Turn off the printer.

Step 3 Remove any paper trays. Inspect them for wrinkled or damaged paper.

Step 4 Open any other doors that give access to the printer's paper path and to the toner or ink cartridge.

Step 5 If necessary, remove the toner or ink cartridge. Place it in a bag or away from light to avoid damaging it.

Step 6 jQuery(document).ready(function(){ jQuery('#jsArticleStep6 span.image a:first').attr('href','http://i.ehow.com/images/ehows/steps/books/266_b1.jpg'); }); If you find a piece of jammed paper, remove it by holding it with both hands and pulling firmly (see A). The goal is to keep the paper from tearing. If several pieces are jammed together, try pulling out the middle piece first to loosen the jam.

Step 7 jQuery(document).ready(function(){ jQuery('#jsArticleStep7 span.image a:first').attr('href','http://i.ehow.com/images/ehows/steps/books/266_a2.jpg'); }); If the paper does tear, try rotating the roller gears manually to free the paper (see B). Don't force anything, though.

Step 8 Replace the toner or ink cartridge and paper trays, close any doors you opened and turn the printer back on.

Step 9 If the printer paper jam message still appears, then there is still some paper in the printer. Reinspect the paper path.