Service manual

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EPSON LQ-300+ Revision C
Disassembly and Assembly Disassembly and Assembly 62
4.2.7 Printer Mechanism Disassembly
This section explains the disassembling procedure of the printer mechanism. The
disassembling procedure is shown in the flowchart below.
Figure 4-8. Printer Mechanism Disassembling Procedure
4.2.7.1 CR Motor Assembly Removal
1. Remove the printer mechanism. (See 4.2.3 "Printer Mechanism Removal".)
2. Remove the tension spring, 8.10 and motor bracket and release the tension of the
timing belt.
3. Remove the timing belt from the pulley of the CR motor assembly.
4. Rotate the CR motor assembly with the motor bracket clockwise to remove it.
Figure 4-9. CR Motor Assembly Removal
START
4.2.7.10 "PF Motor
Assembly Removal"
4.2.7.2 "Platen
Removal"
4.2.7.9 "Release Lever
Position Sensor Removal"
4.2.7.1 "CR Motor
Assembly Removal"
4.2.7.3 "Carriage Unit
Removal"
4.2.7.4 "Ribbon Feed
Mechanism Removal"
4.2.7.5 "RPE Sensor
Removal"
4.2.7.7 "HP Sensor
Removal"
4.2.7.6 "BPE Sensor
Removal"
4.2.7.8 "PG Sensor
Removal"
4.2.7.11 "Paper Feed
Mechanism Disassembly"
4.2.7.12 "Paper Guide
Removal"
A D J U S T M E N T
R E Q U I R E D
When the CR motor assembly is replaced, perform Bi-D
adjustment.
Timing Belt
CR Motor Assembly
Base Frame
Tension Spring, 8.10