EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Disassembly & Assembly Disassembly Procedures 236
4.2.4.4 C511_SUB-B Board
1. Remove "Cover, Side, Right" (p217).
2. Disconnect all connectors/harnesses on the "C511_SUB-B Board".
Note 1: CN100, CN101 have connector lock mechanisms that must be released to
disconnect FFC. Refer to “Check Point“ on Release the harness lock as shown
in the figure below. Be sure to lock it when reassembling. P.236.
2: Refer to Figure 4-44 for connector positions.
3: When connecting harnesses to the C511_SUB-B Board, connect them in the
order shown in Table 4-7.
4: For the 4-color model, the CN39, CN42, CN43, CN45, and CN36 connectors
are not used.
Figure 4-44. C511_SUB-B Board Connector Positions
Table 4-7. Connectors/Harnesses Connected to C511_SUB-B Board
Connection
Order
Connector
No.
Color/
Mark
Number
of Pins
Connection Socket
1 CN103 - 17 Panel Unit (CN1)
2 CN46 - 7 Porous Pad Assy., Ink Eject
3 CN39 LK 7 CSIC_R1 Board (Light Black)
4 CN42 LC 7 CSIC_R2 Board (Light Cyan)
5 CN43 LM 7 CSIC_R3 Board (Light Magenta)
6 CN45 LLK 7 CSIC_R4 Board (Light Light Black)
7 CN22 Blue 2 P-Cover Open Sensor
8 CN36 White 2 I/H Lever Sensor (Right)
9 CN26 Black 2 Paper Eject Release Sensor
10 CN25 Red 2 ASF Paper Sensor
11 CN27 Yellow 2 Rear Hand Insertion Sensor
12 CN29 - 3 PE Sensor
13 CN31 Yellow 3 HP Sensor
14 CN33 White 3 P_THICK Sensor (0.3)
15 CN34 Black 3 P_THICK Sensor (0.8)
16 CN55 Blue 3 Pump Phase Sensor
17 CN102 - 17 C593 MAIN Board (CN48)
18 CN100 - 30 C593 MAIN Board (CN54)
19 CN101 - 30 C593 MAIN Board (CN51)
C H E C K
P O I N T
Release the harness lock as shown in the figure below.
Be sure to lock it when reassembling.
Each "Harness, CSIC" (CN39, CN42, CN43, CN45) is marked
with its corresponding ink name. Refer to Table 4-7 and
connect the harnesses properly.
CN36
CN34
CN31
CN29
CN33
CN26
CN22 CN55
CN27
CN39 CN42 CN103 CN102
CN45 CN43 CN46
CN101
CN100
CN25
Ink Names
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