Disassembly Procedures - Epson TM-U220 Series Service Manual

Confidential

Disassembly Procedures

Disassembly
steps Part names
Roll paper cover
assembly (119)
Top case (108)
Back case (130)
Paper take-up gear
assembly (1110)
Take-up belt (523)
I/F circuit board unit
(122)
Bottom plate (1004)
Main circuit board unit
(201)
Sub circuit board unit
(123)
Autocutter unit (113)
Bottom frame
assembly (1085)
Rev. B
Disassembly procedures
Open the roll paper cover assembly (119).
Push and take out the open lever shaft (1001), and then
remove 1 screw (S02).
Release the hooks in 3 positions as shown in the diagram, and
remove 2 screws (S03).
Remove the roll paper cover assembly (119).
When removing the roll paper cover assembly, release the 3
hooks. (See page 4-16.)
Remove 2 screws (S03).
Open the ribbon cover (109).
Remove the top case (108) and ribbon cover (109) together.
When attaching the top case be sure not to catch the cables
in the frame. (See page 4-19.)
Remove 2 screws (S02). After that, remove the back case (130).
Remove the paper take-up gear assembly (1110).
When attaching the paper take-up gear assembly (1110), be sure
that the take-up gear shaft (139) is attached from the correct
direction.
Remove the I/F circuit board unit (122).
Remove 4 screws (S03),and remove the bottom plate (1004).
Remove connectors attached to the main circuit board unit
(201).
Remove 4 screws (S01), and remove the main circuit board unit
(201).
When reattaching each cable to the main circuit board, be
sure each cable is attached correctly. (See page 4-27.)
Remove 2 screws (S01), and remove the sub circuit board unit
(123).
Remove 2 screws (S02), and remove the autocutter unit (113).
When attaching the autocutter, confirm that the cutting
pattern is selected correctly (partial cut or full cut). (See page
5-4.)
Remove 4 screws (S02), and remove the bottom frame
assembly (1085). After that, remove the mechanism assembly
(120).
TM-U220 Type A Service Manual
Disassembly and Assembly 4-5