Cr Unit Removal - Epson C63, C64, C83, C84 Service Manual

EPSON Stylus C63/64/83/84

1.3.9 CR unit removal

NOTE: "CR unit" described in this section means "IC holder with PW sensor/CR
encoder sensor", "Print head assy.".
NOTE: The removal procedure for CR unit described in this section is as follows.
Added operations before Front frame removal => Front frame removal
=> IC holder => Print head assy. / PW sensor / CR encoder sensor
o
External view
Screw type : C.B.S TITE SCREW(P4), 3x6, F/ZN
Order of tightening : non
Thghtening torque : 8±1 kgf.cm
Compression spring, 20
Holder pulley driven assy.
Stopper holder pulley driven
Stopper holder pulley driven
Hook
Pull up IC holder to the front side of the printer with being released
two hooks of IC holder from inside of CR unit by using the tweezer.
Figure 1-12. CR unit removal (1)
Disassembly and Assembly
Extension spring, 1.494
CR encoder scale
Disassembly
o
External view (Cont.1)
Screw type : C.B.S TITE SCREW, 3x6, F/ZN
Order of tightening : First
Thghtening torque : 8±1 kgf.cm
Cap, Detector, PW
Hook
Dowel
Hook
Figure 1-13. CR unit removal (2)
Revision A
Screw type : C.B.S TITE SCREW, 3x6, F/ZN
Order of tightening : Second
Thghtening torque : 8±1 kgf.cm
Head FFC
CSIC FFC
PW sensor
23