Colored background
(When scanning the front side through DP,or scanning the back side through the mechanically reversed DP)
- Reloading the original
The original is raised at scanning.
- Set the original during pressing. - Changing the setting The Background Density Adjustment is not set.
Set [Auto] for [Background Density
- Adjustment] in the system menu. - Changing the setting
The background density is dark.The original background density is dark. The background density adjustment is dark.
- Set [Manual] for [Background Density Adjustment] in the system menu and adjust the background image density. - Executing U411
The image is not adjusted.
- When the same phenomenon occurs at the table scanning too,execute U411 [Table(ChartA)]. - Cleaning the shading plate
The shading plate is dirty.
- Clean the shading plate at the backside of the contact glass. - Checking the slit glass
The slit glass is dirty or not properly attached.
- Clean the slit glass or reattach it. - Adjusting the left DP hinge height
The original is raised at scanning.
- Adjust the left DP hinge height. - Checking the home position sensor
The home position sensor is not properly attached.
- Reattach the home position sensor. - Checking the connection.
FFC is not connected properly. Or, FFC is faulty.
- Clean and reconnect the FFC. If the FFC terminal section is deformed or FFC is broken,replace the FFC.
• LED drive PWB - Image sensor PWB
• Image sensor PWB - Main PWB
• Engine PWB - Main PWB - Replacing the lens unit
The image sensor PWB is faulty.
- Replace the lens unit. - Checking the lamp unit
The lump unit is not properly attached or the led drive PWB is faulty.
- Reinstall the lump unit.If not resolved, replace the lump unit. - Replacing the document processor
The DP frame is deformed or the DP hinges are faulty.
- Replace the document processor. - Replacing the engine PWB
The engine PWB is faulty.
- Replace the engine PWB. - Replacing the main PWB
The main PWB is faulty.
- Replace the main PWB.