3. Display:
T&D11 Pinch Roller/Sensor Tune/Ribbon STORED PINCH XXXXX PRESS A KEY
4. The status of the platen pinch rollers stored in microcode (XXXXX=OPEN OR CLOSED) must match
the position of the rollers.
Important
In the next step, ensure you do not power off the printer when removing the left side cover to
look at the platen pinch-roller gear.
5. Remove the left side-cover, and look at the platen pinch roller gear on the left side to determine if the
rollers are closed (touching platen) or open (not touching platen).
6. Press any key and get this to display:
T&D11 Pinch Roller/Sensor Tune/Ribbon MECHANICAL PINCH ? OPEN CLOSE
7. Compare the position of the gear with the display in step 3.
Attention: Machine damage can result if the wrong pinch roller position is stored.
8. Press the Line Feed key if the gear is OPEN, or the Start key if the gear is CLOSED.
e90atd1
Figure 21. Pinch Roller Gear. (Viewed From Left Side)
Chapter 2. Diagnostics
209
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 ...