Service manual

6-4 DECcolorwriter 1000
6 Troubleshooting
If you do not measure DC voltages, proceed to the next step “Inspecting the power
supply fuses.”
If the +5 VDC and +24 VDC voltages measure correctly, but the printer does not operate
correctly, then proceed to the procedure “+24 VDC safety interlocks.”
Figure 6-1. Measuring the DC voltages (test points)
33 34
12
Pin 28 +5 VDC
Pin 12 GND
Pin 8 +24 VDC
CN 2
Pin 7 P-GND
Pin 11 +5 VDC
8699-20