Brother MFC620CN Service Manual page 426

Selector
No.
1
| Not used.
5
6
| USB setup latency
8
Selectors 6 through 8: USB setup latency
These selectors should not be disturbed.
Selector
Function
No.
1
Not used.
2
3 End-of-copying beep
4 Command flag detection
5 time
6
Not used.
7
8 Print in black
Selectors 4 and 5: Command flag detection time
After receiving a command flag, the machine will wait for the command that should follow for the
time length specified by these selectors.
Selector 8: Print in black
Setting this selector to "1" allows printing in black only so that the machine can continue printing
even if any color ink cartridge sensor detects empty. That is, the machine can be used as a
monochrome machine.
WSW48
Function
WSW49
(End-of-copying beep and print in black)
App. 4-51
(USB setup latency)
Setting and Specifications
No. 6 7 8
0 0 0 : Default period
0 0 1 : Shorter 1
0 1 0 : Longer 1
0 1 1 : Longer 2
1 0 0 : Longer 3
1 0 1 : Longer 4
1 0 0 : Shorter 2
1 1 1 : Shorter 3
Setting and Specifications
0: Yes
No. 4 5
0 0 : 150 ms
0 1 : 350 ms
1 0 : 550 ms
1 1 : 750 ms
0: No (Normal color print)
1: No
1: Yes
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