If the loop-back connector is not installed, an error message will be displayed. To bypass this message, press the
Micro
↓
key twice to advance to the next test.
Display:
T&D FRU 0[01]
If an error message is displayed, go to “T&D Error Messages and Actions” on page 190. The test completed
successfully if the display advances to the next test number.
T&D11 - Pinch Roller Status/Sensor Tuning/Ribbon Feed and Lift Motors
Note: Ensure there is no paper in any paper path.
This test does the paper path sensor tuning but does not tune the tractor jam sensors, as these sensors are not
adjustable.
1. The next display will be PINCH OPEN or PINCH CLOSE.
PINCH XXXXX
Note: XXXXX is CLOSE or OPEN.
2. The status of the platen pinch rollers stored in microcode must match the position of the rollers.
Figure 13. Stacker/ASF Loop-back Connector. (Viewed From Right Side)
Chapter 2. Diagnostics
168
Summary of Contents for 4247
Page 1: ...4247 Printers Maintenance Information Document Number SA24 4400 05 Part Number 27P8450 IBM ...
Page 241: ...e90apc15 Figure 24 Main Input Power Supply Ground Chapter 3 Circuit Diagrams 241 ...
Page 257: ...Figure 32 Stacker Motor Wiring Chapter 3 Circuit Diagrams 257 ...
Page 261: ...Stacker Cable Wiring Figure 36 Tractor Assembly Cable Wiring Chapter 3 Circuit Diagrams 261 ...