There is not a wiring problem if you use the tungsten bulbs originally intended for this printer. They were wired in series to cut down their output, and to ensure the printer did not light up if one bulb was burned out. If you must use the compact flourescent bulbs, you wil have to rewire in parallel, and your wiring diagram shows both wires shorted out at the switch. In truth, only one side of the electric service needs to go thru the switch. So, to verbalize it. One unswitched lead from 110v service needs to go to one terminal on each socket. Another lead (from the switched side of the 110v service) needs to go to the other terminal on each socket. You may find that with the CFL bulbs your exposure times are too short for modern enlarging paper.