Hello everybody!
We have a problem with our GR3770: from one moment to another the master is showing horizontal lines of different widths (see attachment). So a Riso tech I talked to on the phone said from what I told him pretty sure the thermal print head is broken. The error occurs with different drums and when printing from the RIP as well as using the scanner.
I just wanted to ask if you guys can confirm his guess, as he didn't see any prints, from looking at the pics I attached.
In addition, is there anybody from Germany (or Europe) who has a spare thermal print head for a GR 3770 we can buy. Is it possible to repair it by ourselves?
Reseat the connectors to the TPH (may fix the wide white void area- doubt it will do anything for the pencil thin lines) and do the exact same thing as this thread
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