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IBM 4247

IBM 4247
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Table 45. (continued)
Character Print Quality and Result
Menu Setting Wheel Position # Example 1 Example 2 Example 3
Fixed 5 E Very Light
Result Use Wheel A Use Wheel C Make T&D 12 = 4
6. Finally, choose the Estimate to use and Set the correct Print Gap:
a. Write down Estimate A and Estimate B. Compare them using the next chart:
Table 46.
Estimate Comparison Action
If Estimate B is equal to Estimate A or up to 0.5 greater than
Estimate A
Use Estimate A for Print Gap
If Estimate B is greater than Estimate A by more than 0.5 Wheel
number
Use Estimate A + 0.5 for Print Gap
If Estimate B is LESS than Estimate A, the print needles are
worn down
Replace printhead & repeat samples
b. Set the correct Print Gap using T&D 12: Change the T&D 12 value until the Wheel goes to the Chosen
Wheel position from step 6a.
c. SAVE and exit the T & Ds.
Standard AFTA Service Check and Adjustment
AFTA Service is divided into 4 separate procedures.
v Checks performed with power off
v Checks performed with power on
v Print quality check
v Gap check
Chapter 5. Removals and Adjustments 285

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