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Help: 'Carriages Are Disconnected' - Roland SC 545 - broken cable - heads exposed and un-capped

96XP

New Member
Cable just snapped, manually moved head carriage to the right, though don't know how to get the caps up to seal the heads in this state.
As well, need guidance on cable replacement.

Thanks in advance.
 

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  • CARRIAGES ARE DISCONNECTED.jpg
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96XP

New Member
Addendum:
Opened the printer; appears the nylon pulley broke free.
Still unsure what to do, however I feel the cable may have un-spooled from the drive motor as well.
 

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  • Nylon Pulley.jpg
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netsol

Premium Subscriber
a while back someone suggested keeping a coffee filter covering the heads
keep the coffee filter wet with head cleaning fluid

better you don't knock the mechanism out of time
 
  • Agree
Reactions: 1 user

Jim Hancock

Old School Technician
You need to soak and cap the heads until you get new parts. Close off the 6 cap lines with binder clips, fill the caps brimming full with cleaning solution and lock the print heads in place. Start up in service mode and go directly into the service menu and down to CAP&WIPER CTRL, where you can close the caps. Don't turn off the printer from the sub power, as it may go through a shutdown sequence and give you an error. Instead, power it off in the back and unplug it. Here are the part numbers you need... If you can't find the parts, message me, Roland has them in stock in California. That video should be just fine for replacing the parts.
Pulley - 21975154 - PULLEY,UD49.2S4(B4.6C6.6)
Cable - 21945144 - WIRE FJ-540
 

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  • SERVICE MODE.jpg
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96XP

New Member
You need to soak and cap the heads until you get new parts. Close off the 6 cap lines with binder clips, fill the caps brimming full with cleaning solution and lock the print heads in place. Start up in service mode and go directly into the service menu and down to CAP&WIPER CTRL, where you can close the caps. Don't turn off the printer from the sub power, as it may go through a shutdown sequence and give you an error. Instead, power it off in the back and unplug it. Here are the part numbers you need... If you can't find the parts, message me, Roland has them in stock in California. That video should be just fine for replacing the parts.
Pulley - 21975154 - PULLEY,UD49.2S4(B4.6C6.6)
Cable - 21945144 - WIRE FJ-540
Many thanks, Jim. Had a spare wheel in storage and have assembled. Pulled the cable (which looks to be in good condition) and gave it and the gears a cleaning. Just getting ready to wind the cable onto spool.
Am not clear however, on what process/status the printer will be in once all is set and ready to boot.
Will it know what to do, or is there some changes or sequences I will need to perform?
 

Jim Hancock

Old School Technician
OK, you're in good shape. As long as you wind the cable correctly. This should help. Just see what it does...
 

Attachments

  • SC-545EX carriage wire replacement.pdf
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  • Agree
Reactions: 1 user

96XP

New Member
And this...
Took note and marked tensioner prior to removal - so put back in original position/tension.
Have new issue, and my first guess is the ribbon cable has been pulled and plugged one time too many?
Bad finger on cable? If so, can it be trimmed back slightly instead of replacing?
Have attached what appears on-screen.
Any/all advice appreciated.
 

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  • TAME FGR REPDACE.jpg
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  • UNKNOWN.jpg
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96XP

New Member
Text was unintelligible, though pushed a few buttons just the same.
Succeeded in getting the printer to come to life, and park the heads.
If I fill in the gaps, I can assume what the message is, however this will be impossible going into settings, etc...
So either the screen is bad, or more likely the cable?
 

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Jim Hancock

Old School Technician
Remove and check the panel cable. Make sure it is in straight. If the ends are damaged, yes, you can carefully trim them. Make sure it's a straight cut, as you want to bottom out the cable in the connector when you put it in, and the contactors still need to touch the fingers, so only cut off as much what you have to.
 
  • Agree
Reactions: 1 user
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