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Brother MFC-9130CW Service Manual

Brother MFC-9130CW
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5-52
Confidential
1.4.27 Sensitivity adjustment of density sensor (Function code 72)
<Function>
This function allows you to print the patch data for density sensor sensitivity adjustment on the
belt unit and measure the density with the density sensor. The characteristics of the density
sensor are calculated based on the value measured by the density sensor, and the parameter
for correcting developing bias voltage is adjusted.
<Operating procedure>
(1) Press the 7 and 2 keys in this order in the initial state of the maintenance mode.
"PLS WAIT 72" is displayed on the LCD.
(2) When the parameter is obtained without errors, the machine returns to the initial state of
the maintenance mode. If the sensitivity adjustment of the density sensor fails, "ERROR
72" is displayed on the LCD. Display the error message by pressing the key, and take
the following measure that corresponds to the error message.
* # indicates the toner color (Y, M, or C) of which cartridge became empty.
LCD Description
dens_l_drk_err - Check the harness connection of the eject sensor PCB and
reconnect it.
- Replace the registration mark L PCB ASSY.
- Replace the main PCB ASSY.
belt_err - Replace the belt unit.
- Replace the waste toner box.
- Replace the registration mark L PCB ASSY.
- Replace the main PCB ASSY.
dens_pat_err
dens_calc_err
- Check if the toner cartridges and drum units are set in the
correct order of colors.
- Replace the toner cartridges and drum units.
- Replace the registration mark L PCB ASSY.
- Replace the main PCB ASSY.
dens_led_adj_err - Replace the belt unit.
- Replace the waste toner box.
- Replace the registration mark L PCB ASSY.
- Replace the main PCB ASSY.
lph_calc_err - Replace the toner cartridges and drum units.
- Securely close the joint cover ASSY.
- Clean the LED ASSY.
- Check the attachment of the LED ASSY, and reattach it.
TONER EMPTY #
*
Replace the empty toner cartridge and press the Mono Start
key to clear the error. Perform the sensitivity adjustment of
the density sensor again.
Cover is Open Close the joint cover ASSY .
Replace Toner Replace the black toner cartridge and press the Mono Start
key to clear the error. Perform the sensitivity adjustment of
the density sensor again.

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Brother MFC-9130CW Specifications

Printing IconPrinting
print speed blackup to 19 ppm
print speed colorup to 19 ppm
print resolutionup to 600 x 2400 dpi
print technologyDigital Color LED
Copying IconCopying
copy speed blackup to 19 cpm
copy speed colorup to 19 cpm
copy resolution600 x 600 dpi
copy reduction/enlargement25% - 400% in 1% increments
Scanning IconScanning
scanner typeColor Flatbed with ADF
document glass size8.5” x 11.7”
scan resolution optical1200 x 2400 dpi
scan resolution interpolated19200 x 19200 dpi
Faxing IconFaxing
fax modem33.6 kbps
fax page memoryup to 500 pages
speed dial locations200
Paper Handling IconPaper Handling
auto document feeder capacityup to 35 pages
paper size maximumup to 8.5” x 14” (legal)
large paper capacity250-sheet capacity paper tray
Display IconDisplay
lcd display type/size3.7” Color TouchScreen
touchscreen display size3.7 inches
Memory IconMemory
standard memory192MB
maximum memory192MB

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