Technical data

5.6 0305 CALL SERVICE
Troubleshooting: The TEST LED (see on Figure 5–6) stays on for about
12 seconds while executing the power up diagnostics. The more installed
memory, the longer the LED is on. If the diagnostics are successful, the LED
turns off.
Figure 5–6 Rear Error LED
1
MLO-006642
1. Watch the LED and turn on the printer power.
2. If LED never comes on, do the following:
a. Inspect the 2-wire cables that connect the 4-pin, P/J7 connector on
the video control board to the 2-pin, P57 and P18 connectors, on the
LVPSA. The cables supply 5 Vdc to the video control board.
b. Swap the LVPSA.
c. Remove any installed SIMs, PDL, and coprocessor boards.
Display Error Code FIPs 5–11