Coil Temperature Adjustment - IBM 6400 series Maintenance Manual

Coil Temperature Adjustment

This procedure applies only to models 6400–014 and 6400–015. Do this
procedure only when the original CMX controller board or shuttle frame
assembly have been replaced. Do not do this procedure if the original
CMX board or shuttle frame assembly were removed and reinstalled as
part of other maintenance tasks.
The shuttle frame assembly must be at room temperature to do this
procedure.
1. Raise the printer cover.
2. Power on the printer.
3. If the Ready indicator is on, press the Stop key. The printer must be in
the NOT READY state to do this procedure.
4. Press Scroll" + Scroll# + Return + Enter. (Press all four keys at the
same time.) "SERVICE / PRINTER MECHANISM TESTS" appears on
the display.
5. Press Scroll" + Scroll# to unlock the Enter key.
6. Press the Scroll" or Scroll# key until "SERVICE / SET COIL
TEMPERATURE" appears on the display.
7. Press Enter. The display tells you to "PLEASE WAIT" while the coil
temperature is set by an automatic calibration sequence in printer
software.
8. When the display again reads "SERVICE / SET COIL TEMPERATURE"
press Scroll" + Scroll# to lock the Enter key.
9. Press Stop to exit the menu and put the printer in the NOT READY state.
10. Press Start to exit the menu and put the printer in the READY state.
11. Coil temperature is now set. Power off the printer and close the printer
cover.
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IMPORTANT
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Adjustment Procedures