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Disassembly/Reassembly Overview 25
Epson WF-7620/7610/7110 Series Revision B
2.1.3 Standard Operation Time for servicing the product
The following are the standard operation time for servicing the product. Those are based on the MTTR result
measured using a prototype of WF-7620 Series that has the most functions among these product series. For WF-
7610 Series and WR-7110 Series the standard operation time differs slightly due to the differences in structure,
however, perform servicing referring to this operation standard time.
The underlined parts/units are supplied as After Service Parts.
Table 2-1. Standard Operation Time for servicing the product
Parts/Unit
Time
Replacement
Adjustment/
Inspection
Total
USB Cover 0:44 --- 0:44
Lower Case 1:14 --- 1:14
Pickup Holder 1st 0:23 --- 0:23
Pickup Roller 1st
0:53 --- 0:53
Pickup Holder 2nd 0:10 --- 0:10
Pickup Roller 2nd
0:23 --- 0:23
Decoration Plate 0:45 --- 0:45
Panel Unit
1:50 0:26 2:16
Speaker Cover 2:12 --- 2:12
Speaker 2:12 --- 2:12
Duplex Unit Cover Assy
0:50 4:43 5:33
MSF Unit 0:11 4:43 4:54
MSF Stopper Belt 0:37 --- 0:37
Assist Roller Holder Assy 0:14 4:43 4:57
Paper Stopper Assy 2nd 0:50 --- 0:50
ADF Pad Assy
0:19 --- 0:19
Document Pad
0:14 --- 0:14
MSF Cover
0:06 --- 0:06
ADF Cover Assy
0:31 --- 0:31
LD Shaft 0:42 --- 0:42
ADF LD Assy
1:14 --- 1:14
ADF/Scanner Unit 9:28 --- 9:28
ADF Unit
14:42 0:46 15:28
ADF Decoration Plate Front
14:55 --- 14:55
ADF Decoration Plate Rear
14:52 --- 14:52
ADF Cover Right
15:03 --- 15:03
ADF Cover Front
17:48 --- 17:48
ADF Cover Rear
16:52 --- 16:52
ADF Paper Support Cover 17:13 --- 17:13
Paper Support Encoder Sensor 17:45 --- 17:45
ADF Paper Support Assy
19:00 --- 19:00
ADF Motor Unit 23:59 0:46 24:45
ADF Frame Base 23:59 --- 23:59
Scanner Unit
14:42 0:58 15:40
Scanner Housing Upper Assy 17:42 --- 17:42