AR-M351N, AR-M451N (serv.man39). 010-Firmware updating procedure to resolve overtoning. — Sharp Copying Equipment Technical Bulletin (repair manual)

Model
AR-M351N AR-M451N (serv.man39)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
17.36 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
Copying Equipment / 010-Firmware updating procedure to resolve overtoning.
File
ar-m351n-ar-m451n-sm39.pdf
Date

View Sharp AR-M351N / AR-M451N (serv.man39) Technical Bulletin online

 
 
 
 
Sharp Electronics (UK) Ltd., Technical Services Group
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1. Model Name 
 
AR-M351N, AR-M351U, AR-M451N, AR-M451U. 
 
 
2. Symptom. 
 
Overtoning and filling waste toner container. 
 
 
3. Cause 
 
 
Some machines may overtone when recovering from preheat mode. 
 
4. Action 
 
 
Upgrade the PCU firmware using the following procedure. 
 
The firmware supplied is for PCU only, therefore you need to perform a CN update. 
 
Download firmware from Technical Web. 
 
1. Power off the device (including fax option if installed). 
2. Remove PCU flashrom and insert into CN6 on MFP PWB. 
3. Change DIP Switch setting on Device for Firmware Update. 
4. Power on MFP. 
5. Press "Job Status" key (Menu) to select CN Update. 
6. Press "Document Filing" key to select download method of firmware  
(Centronics, USB or Network) & press Start key. 
7. Send Firmware file from PC (MFP will display PCU when file is received). 
8. Press "Document Filing" key to select CN6 (write to socket). 
9. Press Start key. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Firmware update process for ‘overtoning issue’. 
Date:  
1
st
 September 2006 
Model:  
AR-M351/451 
Ref.:  
010 
Colour:  
White 
Page:  
1 of 1 
TECHNICAL BULLETIN 
 
 
 
 
Sharp Electronics (UK) Ltd., Technical Services Group
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1. Model Name 
 
AR-M351N, AR-M351U, AR-M451N, AR-M451U. 
 
 
2. Symptom. 
 
Overtoning and filling waste toner container. 
 
 
3. Cause 
 
 
Some machines may overtone when recovering from preheat mode. 
 
4. Action 
 
 
Upgrade the PCU firmware using the following procedure. 
 
The firmware supplied is for PCU only, therefore you need to perform a CN update. 
 
Download firmware from Technical Web. 
 
1. Power off the device (including fax option if installed). 
2. Remove PCU flashrom and insert into CN6 on MFP PWB. 
3. Change DIP Switch setting on Device for Firmware Update. 
4. Power on MFP. 
5. Press "Job Status" key (Menu) to select CN Update. 
6. Press "Document Filing" key to select download method of firmware  
(Centronics, USB or Network) & press Start key. 
7. Send Firmware file from PC (MFP will display PCU when file is received). 
8. Press "Document Filing" key to select CN6 (write to socket). 
9. Press Start key. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Firmware update process for ‘overtoning issue’. 
Date:  
1
st
 September 2006 
Model:  
AR-M351/451 
Ref.:  
010 
Colour:  
White 
Page:  
1 of 1 
TECHNICAL BULLETIN 
 
 
 
 
Sharp Electronics (UK) Ltd., Technical Services Group
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1. Model Name 
 
AR-M351N, AR-M351U, AR-M451N, AR-M451U. 
 
 
2. Symptom. 
 
Overtoning and filling waste toner container. 
 
 
3. Cause 
 
 
Some machines may overtone when recovering from preheat mode. 
 
4. Action 
 
 
Upgrade the PCU firmware using the following procedure. 
 
The firmware supplied is for PCU only, therefore you need to perform a CN update. 
 
Download firmware from Technical Web. 
 
1. Power off the device (including fax option if installed). 
2. Remove PCU flashrom and insert into CN6 on MFP PWB. 
3. Change DIP Switch setting on Device for Firmware Update. 
4. Power on MFP. 
5. Press "Job Status" key (Menu) to select CN Update. 
6. Press "Document Filing" key to select download method of firmware  
(Centronics, USB or Network) & press Start key. 
7. Send Firmware file from PC (MFP will display PCU when file is received). 
8. Press "Document Filing" key to select CN6 (write to socket). 
9. Press Start key. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Firmware update process for ‘overtoning issue’. 
Date:  
1
st
 September 2006 
Model:  
AR-M351/451 
Ref.:  
010 
Colour:  
White 
Page:  
1 of 1 
TECHNICAL BULLETIN 
 
 
 
 
Sharp Electronics (UK) Ltd., Technical Services Group
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1. Model Name 
 
AR-M351N, AR-M351U, AR-M451N, AR-M451U. 
 
 
2. Symptom. 
 
Overtoning and filling waste toner container. 
 
 
3. Cause 
 
 
Some machines may overtone when recovering from preheat mode. 
 
4. Action 
 
 
Upgrade the PCU firmware using the following procedure. 
 
The firmware supplied is for PCU only, therefore you need to perform a CN update. 
 
Download firmware from Technical Web. 
 
1. Power off the device (including fax option if installed). 
2. Remove PCU flashrom and insert into CN6 on MFP PWB. 
3. Change DIP Switch setting on Device for Firmware Update. 
4. Power on MFP. 
5. Press "Job Status" key (Menu) to select CN Update. 
6. Press "Document Filing" key to select download method of firmware  
(Centronics, USB or Network) & press Start key. 
7. Send Firmware file from PC (MFP will display PCU when file is received). 
8. Press "Document Filing" key to select CN6 (write to socket). 
9. Press Start key. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Firmware update process for ‘overtoning issue’. 
Date:  
1
st
 September 2006 
Model:  
AR-M351/451 
Ref.:  
010 
Colour:  
White 
Page:  
1 of 1 
TECHNICAL BULLETIN 
 
 
 
 
Sharp Electronics (UK) Ltd., Technical Services Group
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1. Model Name 
 
AR-M351N, AR-M351U, AR-M451N, AR-M451U. 
 
 
2. Symptom. 
 
Overtoning and filling waste toner container. 
 
 
3. Cause 
 
 
Some machines may overtone when recovering from preheat mode. 
 
4. Action 
 
 
Upgrade the PCU firmware using the following procedure. 
 
The firmware supplied is for PCU only, therefore you need to perform a CN update. 
 
Download firmware from Technical Web. 
 
1. Power off the device (including fax option if installed). 
2. Remove PCU flashrom and insert into CN6 on MFP PWB. 
3. Change DIP Switch setting on Device for Firmware Update. 
4. Power on MFP. 
5. Press "Job Status" key (Menu) to select CN Update. 
6. Press "Document Filing" key to select download method of firmware  
(Centronics, USB or Network) & press Start key. 
7. Send Firmware file from PC (MFP will display PCU when file is received). 
8. Press "Document Filing" key to select CN6 (write to socket). 
9. Press Start key. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Firmware update process for ‘overtoning issue’. 
Date:  
1
st
 September 2006 
Model:  
AR-M351/451 
Ref.:  
010 
Colour:  
White 
Page:  
1 of 1 
TECHNICAL BULLETIN 

Download Sharp AR-M351N / AR-M451N (serv.man39) Technical Bulletin

Here you can view online or download Sharp AR-M351N / AR-M451N (serv.man39) Technical Bulletin in pdf. This Technical Bulletin can help you recover, restore, fix, disassemble and repair Sharp AR-M351N / AR-M451N (serv.man39) Copying Equipment. Information contained in Sharp AR-M351N / AR-M451N (serv.man39) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).