Disassembly Flowchart; Sensors, Encoders, And Thermistors - Brother DCP6690CW Service Manual
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Also See for DCP6690CW:
- Network user's manual (175 pages) ,
- User manual (137 pages) ,
- Quick setup manual (43 pages)
Table of Contents
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Disassembly Flowchart
6.1.1
Scanner cover
ADF & document
(Scanner unit)
cover ASSY
(including ADF)
80/80
6.1.4
Scanner cover
support/damper
30/30
6.1.5, 6.1.6
Control panel ASSY
25/25
(Note 2)
Side cover L/R
6.1.7
*2
Backup battery
10/10
6.1.7
Main PCB shield
Speaker
10/20
Main PCB
Main PCB
shield frame
6.1.12
CR encoder strip
Ink absorber box
5/5
6.1.12
Ink absorber felt
Head cover
30/10
6.1.12
Ink refill ASSY
Carriage PCB ASSY
20/20
(Note 5)
6.1.12
Print head
15/20
Sensors, encoders, and thermistors
(Note 1) The ADF unit has the document width sensor PCB and document sensor PCB (having document front and rear
sensors).
(Note 2) The control panel PCB has the scanner cover sensor and ink cartridge cover sensor.
(Note 3) The duplex unit has the switchback paper detection sensor, DX cam switch, and DX cover sensor.
(Note 4) The engine unit has the registration sensor PCB and PF encoder PCB.
(Note 5) The carriage PCB in the head/carriage unit has the paper width sensor, head thermistor, and CR encoder sensor.
(Note 6) The ink refill ASSY has the ink cartridge detection sensor PCB (having four ink cartridge detection sensors) and ink
empty sensor PCB (having four ink empty sensors and the casing internal temperature thermistor).
(Note 7) The maintenance unit has the purge cam switch and cap lift cam switch. The ASF motor unit has the ASF encoder
sensor.
6.1.2
6.1.3
Disassembly of
ADF & document
cover ASSY
- / -
35/55
(Note 1)
6.1.7
6.1.7
Upper cover
10/10
35/35
6.1.9
15/15
6.1.9
45/45
6.1.9
15/15
6.1.13
6.1.13
PF encoder disk
5/10
5/10
6.1.13
5/5
6.1.12
30/50
(Note 6)
6.1.16
Maintenance unit
20/50
(Note 7)
6.1.17
*1
Paper tray ASSY #1
35/40
6.1.8
Ink cartridge cover
10/10
6.1.8
Media module cover
5/5
6.1.8
WLAN PCB
10/10
6.1.10
Outer back cover
15/10
6.1.10
Front cover
LT cover
25/25
10/10
6.1.14
*3
Duplex unit
75/90
(Note 3)
6.1.15
Engine unit
Power supply PCB
30/40
50/50
(Note 4)
6.1.15
Flushing box
5/5
*1 DX paper tray ASSY #1 on duplex print models
*2 For models with backup battery
*3 For duplex print models
*4 For MFC only
6-5
Disassembly/reassembly
standard time (seconds)
6.1.18
Paper tray ASSY #2
35/40
6.1.8
6.1.11
*4
MJ PCB
35/35
6.1.11
6.1.10
LT paper pull-in
roller ASSY
20/20
Confidential
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Troubleshooting
