Hello,
So, I have recently bought two used GR drums to use on my GR3750. Both of these drums are currently displaying the same error codes, this is not something that occurs with my other four drums and so I believe it is drum, not machine, related. Both drums were quite dry when bought, after the first error I used solvent on both of the drum's screens and so, of course, removed each drum's master screen. In spite of these steps the same issue occurred:
On first insertion into the machine, both drums printed out their last master copies with no trouble. But both of these drums come up with the same error codes when the machine attempts to create a new master. This code is either a T3 or a T14.
What happens when the new master is undertaken is that the clamp plate gets released, but then it sounds as though the clamp motor continues for around four seconds. The motor then cuts off giving an error code T3. When I open the lid it's clear that the clamp has been opened 180 degrees as it should, but this is as far in the process as the machine goes each time. This happens with both new (used) drums, but not my others.
I have cleaned the actuator plates and the small cog (I don't know it's name) that is on the rear end of the clamp plate. As there was ink on these areas I felt they may have caused it, but this hasn't changed the situation. I have also attempted to clean the clamp sensor area on the back of the Riso itself.
On looking at the actuator magnets on both drums, they seem ok. One has a slight nick taken out of it, but they don't look too dissimilar to my other drums. Both drums came in GR cases and are identical to my other GR drums.
I hope I have described the situation well enough.
Any possible causes or diagnoses are greatly appreciated.
Prt Scr
So, I have recently bought two used GR drums to use on my GR3750. Both of these drums are currently displaying the same error codes, this is not something that occurs with my other four drums and so I believe it is drum, not machine, related. Both drums were quite dry when bought, after the first error I used solvent on both of the drum's screens and so, of course, removed each drum's master screen. In spite of these steps the same issue occurred:
On first insertion into the machine, both drums printed out their last master copies with no trouble. But both of these drums come up with the same error codes when the machine attempts to create a new master. This code is either a T3 or a T14.
What happens when the new master is undertaken is that the clamp plate gets released, but then it sounds as though the clamp motor continues for around four seconds. The motor then cuts off giving an error code T3. When I open the lid it's clear that the clamp has been opened 180 degrees as it should, but this is as far in the process as the machine goes each time. This happens with both new (used) drums, but not my others.
I have cleaned the actuator plates and the small cog (I don't know it's name) that is on the rear end of the clamp plate. As there was ink on these areas I felt they may have caused it, but this hasn't changed the situation. I have also attempted to clean the clamp sensor area on the back of the Riso itself.
On looking at the actuator magnets on both drums, they seem ok. One has a slight nick taken out of it, but they don't look too dissimilar to my other drums. Both drums came in GR cases and are identical to my other GR drums.
I hope I have described the situation well enough.
Any possible causes or diagnoses are greatly appreciated.
Prt Scr
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