Upper Case Removal - Epson LQ-2550 Technical Manual

4.2.2 Upper Case Removal

Pull out the paper feed knob.
Step 1:
Remove the two printer covers. (Refer to arrows @ through @.)
Step 2:
Remove the cartridge cover.
Step 3:
Remove the platen paper guide by turning it toward you.
Step 4:
Remove the three screws CBB(M4 X 12) securing the upper and lower cases.
Step 5:
Lift the front edge of the upper case and move it backward.
Step 6:
Disconnect connector CN21 on the ROMA board, and remove the upper case.
Step 7:
Printer Cover
Cover
Prin
Figure 4-7. Upper Case Removal (1)
Figure 4-9 shows the arrangement of the main components of this printer
upper case.
Cartridge Cover
ROPS Board
(Power Supply Board)
\
Figure 4-9. Main Components Arrangement
Figure 4-8. Upper Case Removal (2)
(Control Board)
,
4-7
CBB ~M4 X 12)
as seen after removing the
Printer
Mechanism
REV.-A
Unit