MX-6240N, MX-7040N (serv.man111). Countermeasures against contamination of paper surface. - Sharp Copying Equipment Technical Bulletin (repair manual). Page 2

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Sharp Electronics (UK) Ltd., Document Systems Support
 
 
 
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Note 2: The countermeasure for fusing failure (No. 30 of “Change Item” in Technical Report   
 
       No.CCE-1254 (ROM UPGRADE) has been implemented to the firmware for   
 
       MX-2640N/3140N/3640N as announced in the T/R. Although it has been implemented,   
 
              please make sure to check for the contamination on separator plate and fusing web on the   
 
              Fusing unit when you are upgrading to this firmware.   
 
              If contaminated, clean the separator plate and roll up the web roller sheet. 
 
 
- Separator plate 
 
 
 
 
 
Clean both front and back surface of the separator plate with alcohol. 
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