Printer Mechanism Disassembly; Printer Mechanism Removal - Epson LQ-2550 Technical Manual

4.2.5 Printer Mechanism Disassembly

This section describes the procedures for disassembling
mechanism. Refer to Figures A-56 and A-57 in the appendix
4.2.5.1

Printer Mechanism Removal

Step 1: Remove the upper case. (Refer to Section 4.2.2.)
Step 2: Remove the push tractor unit. (Refer to Section 4.2.3. 1.)
Step 3: Disconnect twelve connectors CN 15, CN 13, CN 12, CN 11, CN 10, CN9, CN 16, CN8, CN 19,
Remove the eight screws CPS(0)(M3X 6) securing the ground plates, then remove the four
Step 4:
ground plates. (See Figure 4-1 9.)
Remove the five screws CB(M4 X 6) securing the printer mechanism to the lower case.
Step 5:
Remove the printer mechanism.
Step 6:
CN15
Printer
Mechanism
When the printer mechanism, is removed or replaced, perform the following adjustment:
Section 4.3.5 Platen Gap Initial Value Write Operation (Page 4-46)
When the printer mechanism is replaced, perform the following adjustment:
Section 4.3.6 Bi-directional Printing Alignment (Page 4-47).
Figure 4-22. Connector Locations
CB (M4X 6)
Figure 4-23. Printer Mechanism Removal
ADJUSTMENT REQUIRED
4-15
the main components of the printer
during assembly.
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CN 18
REV.-A