Reset method blank paper output when i copy

No make/model, so here's a generic method:
[based on Samsung Multi-function]

Presuming printer is a MF unit:
Place paper-to-copy face down on the flatbed glass.
Close lid.
Ensure blank paper is correctly loaded in feeder tray.
For a once-off direct 'photocopy':
Press COPY on printer .

For copying (scanning) to a file:
Printer on, drivers installed, blank paper loaded, original on flatbed.
At computer, go to Start.
In search-box type in scan
Left-click magnifying glass to confirm search.
You should see Scan a document or picture appear in icon list.
Click this.
A scanning window should pop up:

full blank page you change the korona wire or charger

Panasonic kx-ft981 ,dark print out and copy.

1. User's Choice Function Setting Procedure
<Procedure>
1. Press the Utility key.
2. Touch the “User’s Choice” key.
3. Select the appropriate screen from the menu.
4. Select the appropriate function.
5. After the settings are complete, touch the “Enter” key to validate the settings.

2. User's Choice Function Tree
Memory Recall
User’s Choice 1/6 Mixed Original Detection
Language Selected **************** SEE THIS ONE
Original Copy Default
Auto Paper/Auto Size
User’s Choice 2/6 Drawer Priority
Special Paper
Multiple-in-1 and Booklet Copy
Zoom
Auto Panel Reset
Energy Save Mode
User’s Choice Mode User’s Choice 3/6 Plug-In Counter,ID Key Reset
Auto Power Off
LCD Back-light Off
4in1 Copy Order
Density Priority
User’s Choice 4/6 Default Copy Output Levels
Priority Density
Output Priority
Intelligent Sorting
Output Tray
User’s Choice 5/6 “Small” Originals
Scanner Dry
User’s Choice 6/6 Density (ADF only)

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/normanj_7893313f0751935f

sounds like it has a solinoid that is stuck open.

Open side, look at black assembly on the door, there is either a black spongy roller there or two wires in a black assembly,

1- wires may be broken resulting in blank copies
2- roller out of place
3- HVT (high voltage transformer) not working