Brother MFC640CW Service Manual page 245

If you press the Black Start key, the screen goes back to the calendar clock in step (1) above.
(3) To stop this operation and return to the machine to the initial stage of the maintenance mode,
press the Stop/Exit key.
1
* To check each of the four ink cartridges, press the Menu/Set (OK) key. Pressing the key cycles
through black, yellow, cyan, and magenta.
2
* When a machine error code is displayed, pressing the Menu/Set (OK) key cycles through recent nine
errors that have occurred.
3
* When a communications error code is displayed, pressing the Menu/Set (OK) key cycles through the
latest error, 2nd latest error, and 3rd latest error.
DCP340CW
(1) Enter 8 and 0 in the initial stage of the maintenance mode by using the
(*To enter a numerical code on models having no numerical keypad, press the
display the numerical code to be entered and then press the Set key. Repeat this operation for each
numerical code.)
The calendar clock appears on the LCD.
(2) Press the Mono Start key. Each time the key is pressed, one of the following log information
items appears on the LCD in the order given below.
10th) Head property code
14th) Ink drop count, indicating how many droplets have been jetted out from each of the ink
cartridges*
15th) Ink drop count after near-empty, indicating how many droplets have been jetted out from
each of the ink cartridges*
16th) Total ink drop count, indicating how many droplets the machine has been jetted out from
each of the ink cartridges*
17th) Ink cartridge change count, indicating how many times ink cartridge replacement has
been made for each color*
18th) Jam count, indicating how many times a paper jam has occurred
19th) Total page count, indicating how many pages have been printed since the machine was
produced
20th) PC print page count, indicating how many pages the machine has been printed as an
output device of the connected PC
21st) Color copy page count, indicating how many copies in color have been made
22nd) Black copy page count, indicating how many copies in monochrome have been made
23rd) Media card print page count, indicating how many pages have been printed from the
media card data
24th) Purge count, indicating how many times the purge operation has been carried out
With the purge count displayed, entering 2, 7, 8, and 3 by using the
resets the purge count to zero.
25th) Purging record for each purge type
26th) Wiper count, indicating how many times the wiper operation has been carried out
27th) Flushing count, indicating how many times the flushing operation has been carried out
1
1
after the ink cartridge sensor detects near-empty.
1
since produced
1
8 - 4 7
and Set keys.*
key several times to
and Set keys
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