Check the listing for details. ECRM Laser Module AO31095 NLHV500C – Pulled Working from Printing CTP System. Condition: For parts or not working. Listed at 399.99 USD. Up for sale is alaser module (Model AO31095, NLHV500C) removed from a working ECRM CTP printing machine. Laser Model #:NLHV500C. Removed from a fully operational ECRM printing system. Ith (threshold current): 33.1 mA.