Epson SQ-B50/2550 Technical Manual page 174

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REV.-A
ASSEMBLY POINT:
WARNING
When connecting the ink supply needle set and filter set, be sure to tighten the set screw
using the specified torque wrench.
136-and BO-column models:
When reattaching the head adjusting pin, set the pin so that the projection faces the left. (See Figure
4-64)
136-column model:
When reconnecting the ink supply needle set, filter set, and head tube, be sure that they are arranged
in line. (See Figure 4-6)
BO-column model:
When reattaching the tube cover spring to the tube cover spring base, check that it is set correctly.
Check that the connected portions between the ink supply needle set and filter set, and the tube
cover base and tube cover spring, are straight. (See Figure 4-6)
When reattaching the tube cover spring base, first set the tube against the base, then attach the
tube cover spring hook using your finger. Pass the tube cover spring base under the base frame of
the printer mechanism while holding the tube cover spring hook to the tube base with your finger.
Filter Set
Figure 4-7. Tube Cover Spring Base Assembly
ADJUSTMENT REQUIRED
After replacing the printhead, the following adjustment is required:
• Platen gap adjustment (See Section 4.3.4)
• Printing alignment (See Section 4.3.5)
4-12

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