Xerox 3130 Service Manual - Page 25

TROUBLESHOOTING No. Function Enter 00 Mo t or 01 MHV Motor Run Mhv On 02 THV(-) Thv Negative On 03 THV(+) Thv On 04 DEV Dev On Up/ Dow n Supply 0 : -630V DEV 0 : -430V S top Motor Stop Mhv Off Thv Negative Off Thv Off Remar k -1550V +1300V Dev Off 05 LSU 06 Pic kUp LSU Run On Pickup On LSU Stop Off Ready Pickup Off 07 P Emp t y Paper Empty 08 Sensor Ex it Feed 09 Cover Cover Open 10 Fus er Fuser On 11 HotBur n HotBurn On 12 Clean Print Clean Printing Thv 13 Refer ence low ad equ at e 14 PTL PTL On 15 FA N Fan On Manual 16 Manual Pickup On Pic kUp Manual 17 Sensor Manual Sensor Fuser Off high PTL Off Fan Off Manual Pickup Off 4.1.4 Self Test Button If the Self-Test button pressed, vertical lines are printed. Turn the power on while pressing this button, '89' shows in the DCU and the printer is warming up. After warming-up the printer is in READY Mode, and '88' shows in the DCU. In this mode, without any detection, the printer begins printing(trial printing and data from the PC). It is convenient to use this mode when the engine malfunction is detected in the control board. Service Manual 4-5