MX-FNX3, MX-FNX4 (serv.man12). Ref CCE773 MX-FN3 FN4 HOW TO REMOVE THE F1-37 ERROR WHEN REPLACING THE FINISHER PWB - Sharp Copying Equipment Technical Bulletin (repair manual)

mx-fnx3, mx-fnx4 (serv.man12) technical bulletin
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MX-FNX3 MX-FNX4 (serv.man12)
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Technical Bulletin
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Copying Equipment / Ref CCE773 MX-FN3 FN4 HOW TO REMOVE THE F1-37 ERROR WHEN REPLACING THE FINISHER PWB
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mx-fnx3-mx-fnx4-sm12.pdf
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Sharp Electronics (UK) Ltd., Document Systems Support
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Ref: CCE773 HOW TO REMOVE THE “F1-37” 
ERROR WHEN REPLACING THE FINISHER 
PWB 
 
1.Model Name: 
MX-FNX3/FNX4 (Options for MX-5500N/6200 Series/7000 Series) 
MX-FN11 (Options for MX-4100 Series/5000 Series, MX-M283N/M363 Series/ 
M453 Series/M503 Series) 
 
2.General:
 
The following is about handling the “F1-37” error that can occur just after replacing the finisher 
PWB for serving.  
Replacing the finisher PWB is now what is causing the “F1-37” error, the error occurs for the 
following reason. 
 
(Reason for occurrence) 
Memory on the finisher PWB holds finisher-adjusted value information and checksum values, 
when the power is on the adjusted value total and the checksum are compared and the 
adjusted value is checked for correctness. 
However, if the memory with of the finisher PWB for servicing does not have the checksum 
value, the “F1-37” will occur. 
To make sure that there are no input errors in the finisher adjusted value, the “F1-37” error 
occurs. 
 
3.Measures:
 
When replacing the PWB, confirm the finisher adjusted value written on the finisher PWB and 
then input this value into the new finisher PWB. 
(1) Before replacing the finisher PWB, take note of each setting value from simulation 3-10 
(finisher adjustment). 
(2) After replacing the finisher PWB, input each of the values noted from simulation 3-10. 
By inputting each of the setting values from simulation 3-10, the “F1-37” error should not occur. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
TECHNICAL BULLETIN 
Date:  
4
th 
July 2010 
Model: MX-FNX3/FNX4 (Options for MX-5500N/6200/7000) 
MX-FN11 (MX-4100 /5000, MX M283N/M363/M453/M503) 
Ref.:   
CCE773 
Colour:  
White 
Page:  
1 of 1 
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