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Chapter 3
Disassembly and Assembly
3.1 OVERVIEW ............................................................................................................3-1
3.1.1 Precautions for Disassembling the Printer.......................................................................... 3-1
3.1.2 Tools ........................................................................................................................................ 3-2
3.1.3 Specification for Screws........................................................................................................ 3-2
3.1.4 Service Checks After Repair.................................................................................................. 3-3
3.2 Disassembly Procedures .....................................................................................3-4
3.2.1 Removing the Housing .......................................................................................................... 3-5
3.2.2 Removing the Board Assembly............................................................................................. 3-6
3.2.3 Removing the Operation Panel ............................................................................................. 3-8
3.2.4 Disassembling the Printer Mechanism................................................................................. 3-9
3.2.4.1 Removing the Print Head Unit................................................................................... 3-9
3.2.4.2 Removing the Absorber Tray Assembly ;A...............................................................3-11
3.2.4.3 Removing the Pump Assembly and Cap Assembly................................................ 3-12
3.2.4.4 Removing the CR Motor Assembly ......................................................................... 3-14
3.2.4.5 Removing the PF Motor Assembly.......................................................................... 3-16
3.2.4.6 Removing the ASF Assembly.................................................................................. 3-18
3.2.4.6.1 Removing the Paper Feed Roller Assembly ................................................ 3-19
3.2.4.6.2 Removing the Right and Left LD Roller Assembly ....................................... 3-20
3.2.4.7 Removing the Carriage Assembly........................................................................... 3-21
3.2.4.8 Removing the PF Roller Assembly.......................................................................... 3-23
3.2.4.9 Removing the PE Paper Detector Assembly........................................................... 3-25
3.2.4.10 Removing the HP Detector.................................................................................... 3-26
Chapter3 Disassembly and Assembly
3.1 OVERVIEW
This section describes procedures for disassembling the main components of EPSON Stylus Color 400.
Unless otherwise specified, disassembly units or components ca be reassembled by reversing the
disassembly procedure. Therefore, no assembly procedures are included in this section. Precautions for
any disassembly or assembly procedure are described under the heading "WORK POINT". Any
adjustments required after disassembling the units are described under the heading "REQUIRED
ADJUSTMENT".
3.1.1 Precautions for Disassembling the Printer
See the precautions below when disassembling or assembling EPSON Stylus Color 400.
WARNING
Disconnect the power cable before disassembling or assembling the printer.
Wear protective goggles to protect your eyes from ink. If ink gets in your eye, flush the eye with
fresh water and see a doctor immediately.
If ink comes into contact with your skin, wash it off with soap and water. If irritation occurs,
contact a physician.
A lithium battery is installed on the main board of this printer. Be sure to observe the following
instructions when serving the battery: