Main Controller (C106 Main Board) Removal - Epson STYLUS 4001968 Service Manual

STYLUS 800 Service
Main Controller (CI06 MAIN BOARD) Removal
3.2.3
[Step 1] Remove the CASE, UPPER. (Refer to Section 3.2.1.)
[Step 2] Disconnect the cables from the connectors CN2/CN3/CN4/CN5 /CN6/CN7 of the C106
MAIN BOARD.
[Step 3]. Remove 4 screws (CBB screw (M3x1O)X2,CBS screw (M3x6)x2) and take out the main
controller.
I When you replace the main board, initialize the EEPROM contents as follows:
Reassemble the printer.
1)
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Turn the printer ON while hold down IALTI, IECONOMYICONDENSED1,
2)
When you replace the main boani to new one, you must take out the block resistor attached
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at the location RM22 of old main board, and this block n%stor should be attachsd to the new
board in hrder to maintain proper printhead drive voltage control.
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When you replace the main board to new one, tti waste ink absorbing materials must be
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replaced at the same time.
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Default Setting Parameter Refl"stration (Chapter 4, Section 4.3)
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Rev. B
Manual
Figure 3-4. MAIN CONTROLLER Removal
Disassembly and Assembly
CN2,3
CBB(M3X1O)
13 S(M3X6)
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3-5