I am having troubles with fusing on 110# stock. It is in specs, and worked fine for the first two months, but it is no longer fusing well. ? One thing noted is that 110# is rated for simplex and up to 90# for duplex. Customer is using the 110# manual duplexed. I am wondering if the paper going through the first time, does something happen to the finish or characteristic of the paper to make the second pass not bond? I assumed that duplex max spec of 90# simply meant auto duplex and the the heavier paper would have to use manual duplex. Anybody have insight into this for me?
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