Hi everyone,
I'm having trouble with my riso gr3770 that I'm hoping to get some help with from you guys.
The problem is with the paper feed. I have just replaced the rubber feed wheels to new ones, but the problems remain.
1. When running 90g paperstock the printer grabs 4 or more papers at the time. It is unable to feed/run single sheets through the riso.
2. 150g paper works best, but still it sometimes refuse to feed the paper resulting in a "paper feed error"
3. 220g paper worked fine the first 400 copies, then it started to jam. Now i can only print 1-10 copies in a row before it pulls the paper in half and then jams.
I have also replaced the litte head with the "metal and rubber tounge" that is place under the rubberwheels but that didn't help.
I have tried to describe this problem the best i can, hopefully someone might have som tips on how to solve this.
best regards
Petter
Stockholm, sweden
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