Blank in middle could be lack of toner or developer in the developer unit. Also bad charge or transfer coronas. Is paper wrinkled? You might make a copy and stop the copier before thapaer goes into the fuser, and see what kind of copy on the paper. If complete problem is in the fuser such as warped rollers, etc.....
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Blank in middle could be lack of toner or developer in the developer unit. Also bad charge or transfer coronas. Is paper
wrinkled? You might make a copy and stop the copier before thapaer goes into the fuser, and see what kind of copy on the paper. If complete problem is in the fuser such as warped rollers, etc.....