HP 220 - Manual (Page 104)

7 Compressing the encoder springĆbracket to release tension on the encoder strip, carefully
release the encoder strip from the service station.
Compress
Release
1
2
Service station
Encoder strip Spring
bracket
8 Carefully pull the encoder strip through and out of the carriage assembly.
9 Lay the encoder strip on a flat surface.
0einst2lling: See following procedure
6Ć40 Removal and Replacement C3187Ć90000