16. Disconnect both air tubes from APS 2.
17. Remove one T-20 attachment screw from APS 1 (Top unit).
18. Remove APS 2 (Bottom unit) from the printer.
NOTE: After installing the NEW APS pumps, reset the life counter “4.4.1 APS cycles”.
Encoder strip and encoder sensor
Removal
WARNING! Turn off the printer and disconnect both power cords.
1. Remove the Right cover on page 246.
2. Remove the
Left cover on page 249.
362 Chapter 8 Removal and installation ENWW