Konica-Minolta bizhub Pro 951
Troubleshooting. IQ08. Printer system: Light density (ID lowering)
Printer system:
Light density (ID lowering)
Troubleshooting procedure
Section | Check item | Result | Action | |
---|---|---|---|---|
1 | Paper | It occurs on the particular paper. | YES | Check the setting of the paper type, and fix it. |
2 | Setting menu → Function setting → Density setting → Image density selection |
Change the setting value of the image density to the plus, and the trouble is solved. | NO | Go on to the next step. |
3 | IDC sensor | IDC sensor has dirt. | YES | Clean the IDC sensor with alcohol. |
4 | Toner supply section | The setting of toner bottle is appropriate. | NO | Reset |
5 | Toner is supplied to the intermediate hopper normally. | NO | Clean, Replace | |
6 | Check the printer | Check mainly on the charging section, transferring section, photo conductor section, developing section, and toner supply sectio | NO | Clean, Replace |
7 | Connector, wiring | There is no problem on the image processing board, the overall control board, the write section, and the connector/wiring of the printer control board. | NO | Reconnect the connector Replace the wiring |
8 | Image Stabilization | The image stabilization solves the trouble. | NO | Go on to the next step. |
9 | Individual support action adjustment → Image density adjustment |
[Darker] on the image density adjustment solves the trouble. | NO | Go on to the next step. |
10 | The problem has been eliminated through the checks of steps up to 9. | NO | Check or replace the charging section → Replace the drum → Replace LPH → Check or replace the transferring section → Check or replace the developing section → Replace the image processing board → Replace the high voltage unit /1 → Replace the high voltage unit /2 |