IBM 6500-V15 Maintenance Manual - Page 382

Hammer Phasing Adjustment 13. Press ENTER. The phasing index (followed by an asterisk) will move up to the top line of the display. 14. Press SCROLL ↑ or SCROLL ↓ to increase or decrease the phasing index, then press ENTER to activate the value as it prints. Continue to increase or decrease the phasing index until the pattern of H's appears as shown below: Needs Correct Adjustment Needs Adjustment Figure 31. This figure shows incorrect and correct H patterns to illustrate vertical misalignment of text characters. 15. When the print pattern is acceptable, press STOP. Printing stops, and the printer automatically enters the current phase index value into NVRAM. The display shows "NOT READY". 16. Press RETURN + ENTER to lock the ENTER key. 17. Close the printer cover. Press START to put the printer into READY mode. NOTE: If you changed the phasing value, power down the printer, remove the ribbon and the shuttle cover, and write the new phase value on the aluminum shuttle casting. 382