Brother International IntelliFax-3550 Service Manual - Page 130

Sensor Operational Check, sensors are as defined above.

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MFC6550MC/7550MC/7650MC/9500 MFC 7550MC status status Set Function Clear Hook ABC DEF 123 Hold GH I JKL MNO 4 56 Redial / Pause PQRS TUV W X YZ 789 Speed Dial 0 Voice Fax status Fine Fax Photo S.Fine F/ T Tel-index Resolution Mode SIX IN ONE FAX PRINTER COPIER SCANNER PC FAX MESSAGE CENTER Coverpage Super Q.Scan Help L Speaker H 01 02 03 13 14 15 04 05 06 16 17 18 07 08 09 19 20 21 10 11 12 Shift 22 23 24 On/Off Line Photo FF/Cont Sort Test/ Enlarge/ Reset Reduce Print Priority Copy Record Erase Play Stop Start Key & Button Entry Order (2) 3.8 Sensor Operational Check s Function This function allows you to check whether the eight sensors (document front sensor, document rear sensor, sheet feeder cover sensor, cover sensor, registration sensor, paper ejection sensor, toner sensor, and hook switch sensor) operate normally. The LED shows the "FRRETCCVRGHATNHK" when - the document front sensor detects no paper (FR), - the document rear sensor detects no paper (RE), - the sheet feeder cover is closed (TC), - the top cover is closed (CV), - the registration sensor detects no paper (RG), - the paper ejection sensor detects no paper (HA), - the toner sensor detects toner (TN), and - the hook switch sensor detects the on-hook state (HK). s Operating Procedure (1) Press the 3 and 2 keys in this order in the initial maintenance mode. The LCD should show "FRRETCCVRGHATNHK" if the detecting conditions of the nine sensors are as defined above. (2) Change the detecting conditions (e.g., insert paper through the document sensors or the registration sensor, open the sheet feeder cover or the top cover, jam paper at the paper outlet, remove the toner cartridge, and lift up the handset), and then check that the indication on the LCD changes according to the sensor states. (3) To stop this operation and return the equipment to the initial maintenance mode, press the Stop key. V - 48

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V –
48
MFC6550MC/7550MC/7650MC/9500
Key & Button Entry Order (2)
Line
On/Off
FF/Cont
Print
Priority
Test/
Copy
Photo
Reset
01
02
03
13
14
15
07
08
09
19
20
21
10
11
12
22
23
24
04
05
06
16
17
18
Reduce
Enlarge/
Sort
Function
Clear
Tel-index
Set
Help
Super
Q.Scan
Resolution
Mode
Coverpage
Stop
Start
Shift
Hook
Hold
Speed Dial
1
4
7
5
6
2
3
8
9
0
ABC
DEF
GHI
JKL
MNO
PQRS
TUV
WXYZ
status
status
Redial / Pause
Record
Erase
Speaker
H
L
Play
MFC 7550MC
FAX
PRINTER
COPIER
SCANNER
PC FAX
MESSAGE CENTER
SIX
IN
ONE
Fine
Photo
S.Fine
Fax
F/T
Voice
Fax
status
3.8
Sensor Operational Check
■
Function
This function allows you to check whether the eight sensors (document front sensor, docu-
ment rear sensor, sheet feeder cover sensor, cover sensor, registration sensor, paper ejec-
tion sensor, toner sensor, and hook switch sensor) operate normally.
The LED shows the “FRRETCCVRGHATNHK” when
-
the document front sensor detects no paper (FR),
-
the document rear sensor detects no paper (RE),
-
the sheet feeder cover is closed (TC),
-
the top cover is closed (CV),
-
the registration sensor detects no paper (RG),
-
the paper ejection sensor detects no paper (HA),
-
the toner sensor detects toner (TN), and
-
the hook switch sensor detects the on-hook state (HK).
■
Operating Procedure
(1)
Press the
3
and
2
keys in this order in the initial maintenance mode.
The LCD should show "FRRETCCVRGHATNHK" if the detecting conditions of the nine
sensors are as defined above.
(2)
Change the detecting conditions (e.g., insert paper through the document sensors or
the registration sensor, open the sheet feeder cover or the top cover, jam paper at the
paper outlet, remove the toner cartridge, and lift up the handset), and then check that
the indication on the LCD changes according to the sensor states.
(3)
To stop this operation and return the equipment to the initial maintenance mode, press
the Stop key.