Specifications
5–14
Adjustments
Magnetic Pickup Phasing Adjustment (Figure 5–6)
NOTE: Unless otherwise directed, adjust the MPU gap (page 5–12) before
doing this procedure.
1. Open the printer cover.
2. Loosen the screw (1) until the MPU arm (2) can be pivoted, but only
with some effort. Push the MPU arm (2) all the way down.
3. Load full width (132 column) paper and ribbon.
4. Turn the printer on.
5. Press ON LINE to take the printer off–line.
6. Press and at the same time to unlock the ENTER switch.
7. Press . The current emulation appears on the LCD.
8. Press or until “Emulation Self Test” appears on the LCD.
9. Press ENTER to select this “emulation,” then press .
10. Press until “Self Test Phase Value” appears on the LCD.
11. Press R/S. “Phase Value” and the current phasing index number display.
The printer begins printing all H’s, each line preceded by the phasing
index number.
12. Press the or switches to increase or decrease the phasing index
until the pattern of H’s appears as shown below:
Needs
Adjustment
Correct
Needs
Adjustment
13. When the pattern of H’s is acceptable, press R/S. Printing stops, and the
current phase index value is entered into nonvolatile memory.
14. Press the CLEAR switch. “Off–Line Emulation” appears on the LCD.
15. Press once. Press until the emulation that you want to print with
appears on the LCD. Press ENTER to select this emulation.
16. Press and at the same time to lock the ENTER switch.
17. Close the printer cover and place the printer on–line.