Confidential
Disassembly/Reassembly Overview 24
Epson Stylus SX230 series / SX235W series / SX430W series / SX440W series Revision B
2.1.4 Standard Operation Time for Servicing the Product
The following are the standard operation time for servicing the product. This standard operation time was
determined with the MTTR result measured using the prototype of SX430W series which have the most
functions. For other models described in this manual, perform the repair work referring to this standard operation
time though the time varies due to the structural difference between models.
The underlined parts/units are supplied as After Service Parts.
Table 2-1. Standard Operation Time
Parts/Unit
Time (mm:ss)
Replacement
Adjustment/
inspection
Total
Housing rear
0:36 --- 0:36
Paper Support Assy
0:12 --- 0:12
Tray Front Assy
0:13 2:32 2:45
Document Cover
0:10 --- 0:10
Document Mat 0:23 --- 0:23
Star Wheel Holder Assy
0:33 4:10 4:43
Paper Guide Front Unit
0:37 8:47 9:24
Paper Guide Lower Porous Pad
0:46 0:16 1:02
FFC Cover Outer 0:10 --- 0:10
Holder Board Assy
1:11 --- 1:11
FFC Cover Inner 0:12 --- 0:12
Print Head
2:49 14:40 17:29
Waste Ink Pad Assy
0:29 0:16 0:45
Paper Back Lever
1:39 --- 1:39
Retard Roller Assy
1:47 0:44 2:31
Scanner Unit
1:33 2:07 3:40
Scanner Housing Upper 3:04 --- 3:04
CIS Module Unit 3:25 --- 3:25
CIS Module 3:38 --- 3:38
Spacer 3:38 --- 3:38
Scanner Carriage Unit 3:50 --- 3:50
Scanner Carriage 4:45 --- 4:45
Scanner Motor 7:02 2:07 9:09
CIS Holder Unit 7:02 --- 7:02
Scanner Housing Lower 3:50 --- 3:50
Housing Left
2:31 --- 2:31
PS Unit
3:00 0:58 3:58
Card Slot Board
3:27 --- 3:27
Wireless LAN Module
3:17 --- 3:17
PF Encoder Sensor
3:07 --- 3:07
PF Scale
3:22 --- 3:22
PF Driven Pulley Assy 3:57 1:00 4:57
PF Timing Belt 4:09 1:00 5:09
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