美能達5501/6501報錯代碼C-2421，C2421解決方法
Cause
Developer/toner mixture fault (C-2421 Yellow, C-2422 Magenta, C-2423 Cyan, C-2424 Black)
Resolution
Run toner density revert...
Power the machine OFF from the main switch leaving the sub switch ON.
Turn main power switch ON while pressing the Utility/Counter key. Keep holding it till the comes up in Service mode.
-02 process adjustment
-06 recall standard data
-02 drum peculiarity
-06 toner revert all on
-select start (When the machine gets the values for each colour, the values need to be in around 1.26, as near as possible, keep pressing start until you get the values for each colour as near as possible, doesn’t have to be exact)
-when process completes, return out
-02 gamma automatic adjust (wait until process completes)
Exit out of service mode and go into adjustment at the bottom of the screen.
Go to adjustments at the bottom of the screen - Select Operator Execute Adjust - Select toner refresh - exit to print screen
蘇州美能達打印機維修站電話696l6769，企業(yè)一站式服務(wù)，上門維修，耗材配送

手機用戶175.13.*.* 發(fā)表于 2022-5-13  c2421  

技術(shù) 金檣 發(fā)表于 2022-5-14  更換黃色顯影載體初始化