MX-4140N, MX-4141N, MX-5140N, MX-5141N (serv.man93). COUNTERMEASURE FOR C4-02 (PTC HEATER OPEN) TROUBLE. - Sharp Copying Equipment Technical Bulletin (repair manual)

mx-4140n, mx-4141n, mx-5140n, mx-5141n (serv.man93) technical bulletin
Model
MX-4140N MX-4141N MX-5140N MX-5141N (serv.man93)
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Technical Bulletin
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Device
Copying Equipment / COUNTERMEASURE FOR C4-02 (PTC HEATER OPEN) TROUBLE.
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mx-4140n-mx-4141n-mx-5140n-mx-5141n-sm93.pdf
Date

Read Sharp MX-4140N / MX-4141N / MX-5140N / MX-5141N (serv.man93) Technical Bulletin online

 
Sharp Electronics (UK) Ltd., Document Systems Support
 
 
 
1/1 
Date:  
18th June 2014 
Model:  
See below 
Ref.:  
CCE1325 
Colour:  
 
White 
Page:  
1 of 1 
TECHNICAL BULLETIN 
COUNTERMEASURE FOR “C4-02” (PTC      
HEATER OPEN) TROUBLE 
 
1. Model Name: MX-4140N/4141N/5140N/5141N 
 
2. Symptom: 
PTC heater section is always ON as default and the deterioration at the contact point is   
 
 
accelerated depending on the usage environment, which may cause “C4-02” (PTC heater   
  open) 
trouble. 
 
 
3. Description: 
The symptom above can be improved by changing the setting of PTC_HT to “3” (Heater   
 
 
is turned ON only under high-humidity) like other models. (See the table below) 
 
 
It is recommended to change the setting at the occasion of services and maintenances in   
  field. 
 
SIM code 
item 
Indication 
Content 
current 
New 
8-6 AU 
PTC_HT 
  PTC heater operating 
 environment setting 
1 (Always ON) 
3 (Only high 
humidity) 
 
4. For 
  production 
    Action  
From June 2014 production, the machines have been shipped out with being set to “3”. 
 
 
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Here you can read online and download Sharp MX-4140N / MX-4141N / MX-5140N / MX-5141N (serv.man93) Technical Bulletin in PDF. MX-4140N / MX-4141N / MX-5140N / MX-5141N (serv.man93) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp MX-4140N / MX-4141N / MX-5140N / MX-5141N (serv.man93) Copying Equipment. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.