Epson SQ-B50/2550 Technical Manual page 173

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REV.-A
Step 7 Loosen the tube set screw (hexagonal) connecting the filter set and ink supply needle set, then
remove the screw and 0 ring.
Step 8 136-column model:
Remove the CCS screw (M3 X 6) securing the tube cover,
then remove the tube cover.
80-column model:
Step 9 136-column model:
80-column model:
Remove the printhead unit.
Ink Supply
Needle
Tube set
screw
CPB (M3 X 8)
O-ring-
Tube Set
Screw
Ink Supply needle
CCS (M3 X
8)~
O-ring
Remove the CCS screw (M3 X 15) securing the tube cover
base, then remove the base. Remove the tube which is
wound from the base.
Remove the CCS screw (M3 X 8) securing the filter set
to the base frame, then remove the filter set.
Remove the CPB screw (M3 X 8) securing the filter set
to the tube cover base, then remove the filter set.
Filter Set
CCS (M3 X 5)
Tube cover base
Filter Set
Tube cover
CCS (M3 X 6)
Figure 4-6. Printhead Removal
4-11

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