Removing The Boards - Epson L1800 Service Manual

L1800

3.3 Removing the Boards

3.3.1 Board Assy (Main Board/Power Supply Board)
1. Remove the Upper Housing / Printer Cover. (p.50)
2. Remove the seven screws (four C.B.S. M3 x 6, two C.B.S. (P2) M3 x 8, and one
C.B.S. M3 x 8) that secure the Board Assy.
2) C.B.S. M3x6
(6±1 kgf.cm)
3
2
1
15) C.B.S. (P2) M3x8
6
Figure 3-30. Removing the Board Assy (1)
Tighten the screws in the order shown in
Disassembly And Assembly
5) C.B.S. M3x8
(6±1 kgf.cm)
7
4
Board Assy
(6±1 kgf.cm)
5
Figure 3-30.
3. Disconnect all the cables and FFCs connected on the Main Board from the near
side one by one.
No. Connector
CN4 Panel Board
CN5 Relay FFC (for sensor)
CN9 CR Encoder Sensor, PW Sensor
CN12 Print Head
CN13 Print Head
CN14 Print Head
CN119
CN115
CN117
CN12
CN13
CN14
Figure 3-31. Connector Layout of the Main Board (130 Digit Side)
4. Pull out the Board Assy from the Printer.
Board Assy
Figure 3-32. Removing the Board Assy (2)
Removing the Boards
Revision A
No. Connector
CN115 CR Motor
CN116 PF Motor
CN117 Pump Motor
CN118 APG Motor
CN119 ASF Motor
CN116
CN118
CN5
CN4
CN9
Confidential
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