This code happens if you replace drum without replacing developer. Both must be replaced at same time.
Bizhub 350 error c2557
Rocska Adrian i agree with your post. check also level history of ATDC gain, value should 6% to 7% above or below value will cause C2557 error code.
SOURCE: BizHub 250 Malfunction Code C2557 - HELP!
ok il start by saying that my english is veryyyy bad.
ok so the developer is guarantied for 80000 copies but i seen 200k with a new dev. (developer type dv310) after some of the developer is lost in the copying proses the ac-dc sensor detects that the concentration is rong and it shows the C2557 error thats wen the error is shown by the copier . solving it is simple you can replace the dev. and run F8 mode if it dosent work manually ajust the acdc to a lower value (lower value means that is les tonner in the dev. hyer value more tonner obviously ) , 0r leave the old dev. in it and ajut the acdc to about 180 (you can ajust to 180 take out the tonner botle make some black copies(30) and put back the tonner bottle and adjust to a lower value that works) . The problem can also apear if the copier docent supply tonner so check that first . Entering the service menu is simple pres utility > (toch screen) original size> (kepad) stop>0>0>stop>0>1 the password from the manufacturer is 00000000 , in the service menu select tech mode in ther yowl find the different start modes F8,F... , and you have printer select printer and acdc adjustment , pres C to clear the value and via keypad enter the desired value . THE REST IS UP TU YOU MY FRIEND . CAUTION IF YOU DONT HAVE ANY IDEA ABOUT A LASER COPIER DONT EVEN ENTER THE SERVICE MODE CAUSE YOU CAN DO MENY WRONGS IN THE COPIER . GOOD LUCK
SOURCE: we keep getting an error message c2557 for the
this code means that the time has come to replace its parts, i mean some parts of imaging unit.its the code of a sensor.
SOURCE: GOT CODE C2557 ON MY
Welcome to Fixya.
Solution 1.
1. Clear counter for drum
2. Turn off machine.
3. Open side or duplex door
4. Turn ON machine
5. It show ,,side door open,,
6. Go to Sevice Mode
7. Find in Function F8
8. Close side door
9. Run F8
10 wait to start button blink green
Solution 2.
1. Clear Image memory - docs trying to print ( fax or print job )
at warmup a small + sign appears a left of display - Press 3
select Clear Image Data option
Enter 8 digit serv. code ( 00000000 ) / End
Image Data Clear/Yes.
Exit to get out and turn off/on Main Switch
2. in Service Mode - Clear Special Parts counter
select IU and Dev then C to clear
Thank you for using Fixya, have a great day.
C2557 - Abnormally toner detected black tcr sensor.14,667 views
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