I have gestetner dsm765 when machine is ready to make copies i make a copy and the copier dosent make copies its telling me its proccesing when i shut the copier on and off its showing me the paper is stack b1 and b2 area i remove the paper its the same thing happening i called a tech he came and told me its the hard drive please advice thank you

Office Equipment & Supplies - Gestetner - Dsm675 Dsm775 Dsm755 Dsm765 Dsm 675 775 Toner Cartridge 4...