Disassembly And Reassembly; Printhead Removal - Epson LQ-510 Technical Manual

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4.2 DISASSEMBLY AND REASSEMBLY

This chapter details the disassembly procedures for the LQ-510. As a rule, reassembly is performed simply
by reversing the disassembly procedures. A number of special notes, however, are provided under the heading
"Notes for Reassembly." When a disassembly or reassembly procedure requires that an adjustment be per-
formed, the adjustment is described under the heading, "Required Adjustment." Perform these adjustments
as indicated.
Be sure that you have read Section 4.1 "General Repair Information
Remove paper and the ribbon cartridge before disassembly.
The disassembly procedure detailed below is completed in the following sequence: (1) removal of the print-
head, (2) removal of the cases, (3) removal of the circuit boards, (4) removal of the printer mechanism unit,
and (5) disassembly of the printer mechanism, Exploded diagrams of the LQ-510 and of the printer mechanism
are provided in Figures A-31 to A-32.

4.2.1 PRINTHEAD REMOVAL

1. Remove the printer cover, and confirm that paper and ribbon cartridge have been removed.
2. Open the cover of the paper tension unit.
LQ-510
DISASSEMBLY, ASSEMBLY, AND ADJUSTMENT
Figure 4-1. Paper Tension Unit Cover
n
before performing disassembly
Platen
4-3