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SP-300V Pinch roller error

BA Signs

New Member
I'm getting left or right pinch roller errors on my Roland SP-300V. The rollers are in the correct place and it will give one or the other error when setting up the sheet. Then it will read 0.0 media width. I replaced the flex cut cable to the print head (all four). The encoder strip is new and clean. I've cleaned the pinch roller sensor. What else could it be?
 

Ragnabrok

New Member
Replaced the wrong flex cable. It's the cable that goes from the cut carriage board to the servo board, the cut carriage cable. Also if they are unhappy looking the plastic guides that run with it, replace those as well.

Another thing to look at is the proximity sensor on the back of the cut carriage, sometimes it clips a media guide and breaks off. you can usually see it just from looking from the back of the printer at the backside of the cutter carriage.
 

BA Signs

New Member
Here is a picture of what I was talking about.
 

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Ragnabrok

New Member
i think the W is the proximity sensor, it should trigger when it's to the right of the platen, and when it crosses the pinch rollers.
 

InkjetAuction

New Member
Replace the cut carriage cable & guides

W is the pinch wheel sensor

It will show you a * under the W when the pinch wheel sensor (on the back of the cutting carriage) senses a pinch wheel.

You need to replace the cut carriage cable and guides. In the repair process, I would completely clean the cable tracks (including removing and cleaning the top rail) and lube everything with Dupont Dry Teflon (you can buy this at Lowe's). The Teflon goes on wet, but drys with a slick coating. This helps to eliminating the bunching up and kinking of the cable in the top track, which is a main cause of cable failure.

It seems that you would be advised to have a qualified service tech to replace this for you. It's not rocket science, but perhaps you can watch the tech make the repair for next time. Parts are less than $50.

Case closed.

~E
 
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