Epson TM-U220 Series Service Manual page 53

Confidential
DIsassembly Procedures
Reassem
Part names
blysteps
Ribbon assembly frame
(519)
Carriage sub assembly
(1025)
Carriage belt (507)
Head FFC (521)
Carriage guide plate
(1030)
Carriage guide plate sub
assembly (1026)
Ribbon drive plate sub
assembly (517)
Ribbon middle gear (512)
Ribbon take-up gear sub
assembly (516)
Belt drive pulley (505)
Carriage motor sub
assembly (1034)
HP board assembly (518)
Base frame (1011)
Rev. A
Assembly procedures
Remove the ribbon frame spring (1022).
Remove 1 E-ring 4 (E03), and remove the ribbon frame assembly
(519).
After this, you can remove the print head unit (503).
Lubricate the carriage sub assembly (1025) with O-13.
Remove the right and left adjustment roller shaft holder (506).
Pull out the carriage shaft (1027).
Remove the head FFC (521) from the carriage sub assembly (1025).
Loosen 2 screws (S12, S14) securing the belt tension plate sub
assembly (1086).
Remove the carriage belt (507) together with the carriage sub
assembly (1025).
Remove the plate belt tension sub assembly (1086).
Remove the head FFC (521).
Confirm the method for removing the adjustment roller shaft holders(506).
(See page 2-19.) When removing the shaft holder, adjustment roller (506),
replace it to the new part. Because the part trasforms after removing it.
Confirm the method for attaching the carriage sub assembly (1025). (See
page 2-20.) Also when removing the carriage sub assembly (1025), you
need to adjust the platen gap of the unit. (See page 2-5.)
Confirm the method for attaching the carriage belt (507). (See page 2-19 .)
Also When attaching the carriage belt, adjust its tension. (See page 2-6.)
Confirm the method for attaching the head FFC (521). (See page 2-19.)
Lubricate the carriage sub assembly (1025) with O-13.
Lubricate the plate belt tension sub assembly (1086) with G-36.
Remove 2 screws (S11), and remove the carriage guide plate(1030).
Remove the carriage guide plate sub assembly (1026).
Lubricate the carriage guide plate(1030) and the plate belt tension
sub assembly (1086) with G-36.
Remove 1 E-ring 2.3 (E02), remove the ribbon drive plate sub
assembly (517).
Remove the ribbon middle gear(512).
Remove the ribbon take-up gear sub assembly (516).
Remove 1 E-ring 3 (E01), remove the belt drive pulley (505).
Remove 2 screws (S09), and remove the carriage motor sub
assembly (1034).
Remove 1 screw (S11), and remove the HP board assembly (518).
When replacing the HP board assembly (518), you need to remove the
solder. Confirm the method for attaching the HP board assembly (518).
(See page 2-20.)
After this, you can remove the base frame (1011).
Lubricate the base frame (1011) with G-15 and G-36.
TM-U220 (TypeB/TypeD) Service Manual
Disassembly and Assembly 4-9