How the printer appears c2557 code
1, by utility/Counter key English is (Utility/counter)
2, see the inspection of the fine interest (check Detail)
3, enter and then press the right circle plus a triangle (stop key) plus 0 0 (two 00) plus (stop key) plus 0 1 (note: This direct input is OK.) There will be hidden options coming out of it)
4, password input 8-digit repair password (typically 00000000), and then press [END]
4, will appear the Technical Maintenance representative Mode menu
Into the
Select level history to see the horizontal record (bottom right corner second item)
See percentages.
The general Atdc current standard is between 5%-7%. If the value is less than 5%, it is necessary to change the value of ATDC
How to change the value of ATDC return to the previous level menu (press end)
Select Teah Rep Choice (the first item in the upper left corner)
Select Printer
Select Atdc Senor Gain Modify the value of ATDC
Press the C key of the panel to cancel the current value, my value is 150. To change to a smaller than 150, some sites said to change to 130, but I tried. After the change, reboot to see the level of the history of ATDC current value is still not reached 5%, later I changed to 120. The percentage reached 6.5%.
About Konica Minolta BIZHUB250 c2557 Error Resolution