3-49
Confidential
9.4
Document Scanner Unit and Scanner Cover Support
The document scanner unit should be removed together with the ADF & document cover ASSY
(for models with ADF) or the document cover ASSY (for models without ADF). The removal
procedure of the ASSY from the document scanner unit is given in
. The
disassembly of the ADF & document cover ASSY (for models with ADF) is detailed in
(1) Disconnect the CIS flat cable from the main PCB. Press the lock arm on the upper cover to
the right and take the flat core up and out of the upper cover. Remove the flat core from the
CIS flat cable.
Note
: After disconnecting the flat cable, check that the cable is not damaged at its end or
short-circuited. When connecting the flat cable, do not insert it at an angle. After insertion,
check again that it is not at an angle.
(2) Release the CIS flat cable from the cable guides.
(3) Release the grounding wire
*1
by removing the screw
*1
.
(4) Disconnect the following harnesses from the main PCB.
- ADF motor harness
(4-wire)
*1
- Document scanning position sensor harness (3-wire)
*1
- Document detection sensor harness (3-wire)
*1
- Document scanner motor harness (4-wire)
Taptite, cup S *
1
M3x6
Main PCB
(3_041)
Upper cover
ADF & document cover ASSY *
1
Document cover ASSY *
2
Scanner cover support
Document scanner unit
Document detection
sensor harness *
1
(white)
Document scanning
position sensor harness *
1
(red)
Grounding wire *
1
Document scanner motor harness
ADF motor harness *
1
Lock arm
Cable guides
Flat core
CIS flat cable
Document detection sensor
harness (white) *
1
Document scanning
position sensor
harness (red) *
1
ADF motor
harness *
1
Document scanner
motor harness
*1 For models with ADF
*2 For models without ADF
Summary of Contents for DCP-J925DW
Page 17: ...xiv Confidential ...
Page 18: ...xv Confidential ...
Page 19: ...xvi Confidential ...
Page 20: ...xvii Confidential ...
Page 21: ...xviii Confidential ...
Page 44: ...1 23 Confidential 1 0 08 inches 2 mm or greater curve may cause jams to occur ...
Page 140: ...3 3 Confidential 2 PACKING ...
Page 281: ...4 28 Confidential ADF Copy Chart C A B D ...
Page 292: ...5 8 Confidential Print Pattern for Creating Head Calibration Data ...
Page 294: ...5 10 Confidential Scanning Compensation Data List ...
Page 297: ...5 13 Confidential Nozzle Test Pattern ...
Page 300: ...5 16 Confidential Configuration List ...
Page 303: ...5 19 Confidential MFCJ430W J432W MFCJ625DW J825DW Key Entry Order ...
Page 318: ...5 34 Confidential PF EXIT Adjust Check Pattern Paper feed roller ...
Page 319: ...5 35 Confidential EXIT Adjust Check Pattern 1 ...
Page 320: ...5 36 Confidential EXIT Adjust Check Pattern 2 ...
Page 321: ...5 37 Confidential EXIT Adjust Check Pattern 3 ...
Page 322: ...5 38 Confidential KEISEN2 LF300 EXIT ADJUST PATTERN ...
Page 327: ...5 43 Confidential Vertical Alignment Check Pattern ...
Page 331: ...5 47 Confidential Left Right Top and Bottom Margin Check Pattern ...
Page 367: ...6 4 Confidential Power supply PCB 100 V series ...
Page 368: ...6 5 Confidential Power supply PCB 200 V series ...
Page 369: ...6 6 Confidential Wiring diagrams ...