Brother MFC-9330CDW Service Manual

2-116
Confidential
4.12 Scanning Image Defect Troubleshooting
4.12.1 Image defect examples
Fig. 2-15
4.12.2 Troubleshooting image defect
■ Light on the page
<User Check>
- Check whether the setting of the contrast does not become light.
- Clean the document table glass or ADF glass.
- Clean the CIS glass of the ADF.
Step Cause Remedy
1 White level calibration data
failure
Perform the acquisition of white level data.
(Function code 55)
2 First side or second side CIS
unit failure
Replace the first side or second side CIS
unit.
3 Main PCB failure Replace the main PCB ASSY.
Light on the page
(2-116)
Faulty registration
(2-117)
Dark
(2-117)
Completely blank
(2-118)
Vertical streaks
(2-118)
White vertical streaks
(2-118)
All black
(2-119)

Brother MFC-9330CDW Specifications

Print Specifications

print speed black	up to 23 ppm
print speed color	up to 23 ppm
print resolution	up to 600 x 2400 dpi

Copy Specifications

copy speed black	up to 23 cpm
copy speed color	up to 23 cpm
copy resolution	600 x 600 dpi

Scan Specifications

scan resolution optical	1200 x 2400 dpi
scan resolution interpolated	19200 x 19200 dpi
document glass size	8.5” x 11.7”

Fax Specifications

fax modem speed	33.6k bps
fax page memory	up to 500 pages
speed dial locations	200

Paper Handling

auto document feeder capacity	up to 35 pages
paper size maximum	up to 8.5” x 14” (legal)
standard paper capacity	250 sheets

Power and Energy

deep sleep mode power consumption	<2W
automatic duplex printing	Yes
energy star qualified	Yes