Printronix P5000 Maintenance Manual page 100

Chapter 3
Troubleshooting Other Symptoms
Symptom
Stacker motor check
Stacker not operating
100
Table 3. General Symptom List
NOTE: This procedure tests the four stacker motors and their
cables. You will usually be referred to this procedure
from other troubleshooting procedures. When you
have completed this procedure, return to the
procedure that sent you here.
1. Power off the printer.
2. Open the rear cabinet door.
3. Unfasten the cable clamp holding the stacker control panel
cables.
4. Disconnect stacker rail cable connector P107 from
connector J3 on the back of the stacker control panel.
(See Figure 69, page 344.)
5. Disconnect stacker frame cable connector P102 from
connector J4 on the rear of the stacker control panel. (See
Figure 69, page 344.)
6. Locate pin 1 of connector P102 and connector P107. (See
the cable assembly drawings in Appendix A, page 310 and
page 313.)
7. Check both cables for pin damage, continuity, and shorts.
8. Check all motors for 15.2 ± 1.5 Ohms on both phases.
(Refer to the power stacker control panel PCBA pinout
drawing on page 289.)
9. Replace any cable that is damaged or fails continuity test.
Replace any motor that fails the resistance test.
See "Printer does not detect presence of power stacker," page
96.
Solution