Common symptoms of faulty panel PCB:
If your printer has:

Price:
Price 5.0 INR / Piece
Minimum Order Quantity : 90 Pieces
Size : Standard
Printer Type : Laser Printer
Color : Grey
Compatible Brand : HP
Price 250.0 INR / Piece
Minimum Order Quantity : 5 Pieces
Size : Standard Fit
Printer Type : Laser Printer
Color : Light Grey
Compatible Brand : Canon
Price 60.0 INR / Piece
Minimum Order Quantity : 10 Pieces
Size : Standard for LX310, approx. 23 cm length
Printer Type : Dot Matrix Printer
Color : White Gray
Compatible Brand : Epson
Price 950.0 INR / Piece
Minimum Order Quantity : 1 Piece
Size : Standard/OEM Fit
Printer Type : Laser Printer
Color : White
Compatible Brand : Canon