Brother MFC-8220 Service Manual

MFC-8220
SERVICE MANUAL
6-31
8. IMAGE DEFECTS
8.1 Image Defect Examples
I-2 DarkI-1 Light I-2 Dark I-3 Completely blank
I-4 All black
I-5 Dirt on back of paper
I-6 Black vertical
streaks
I-6 Black vertical
streaks
I-7 Black horizontal
stripes
I-12 Poor fixing
I-13 Image distortion
I-14 Faint print
Print out test print out test print out test Print out test print oPrint out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print oPrint out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
I-19 Hollow print
I-15 White spots
I-16 Black spots
I-18 Gray background
I-17 Black band
I-20 Downward fogging
of solid black
I-21 Horizontal lines
I-11 Faulty
registration
I-10 White horizontal
streaks
I-8 Black vertical
streaks
I-9 White vertical
streaks
I-23 Ghost
I-22 Light rain
I-24 Toner specks
Fig. 6-9
8.2 Diameter of Rollers
The diameter of each roller and the pitch which appears in the image are listed below;
No. Parts Name Diameter (The pitch which
appears in the image)
1 First Paper Feed Roller
φ 13.6 mm (42.7 mm)
2 Paper Feed Roller
φ 14.0 mm (44.0 mm)
3 Transfer Roller
φ 15.20 mm (47.7 mm)
4 Photosensitive Drum
φ 29.97 mm (94.1 mm)
5 Heat Roller
φ 25.0 mm (78.5 mm)
6 Pressure Roller
φ 25.0 mm (78.5 mm)
7 Development Roller
φ 20.0 mm (39.0 mm)

Brother MFC-8220 Specifications

General

Type	all in one
Tray Capacity	250
Automatic Document Feeder Capacity	30 sheets
Paper Size	letter, legal, a4, b5, a5, b6, a6, exe
Paper Handling	up to 250 sheets
Mono Print Speed	21 pages per minute
Print Resolution Mono	up to 2400 x 600
Maximum Number of Pages Per Month	up to 20, 000
Scanner Type	sheetfed
Scan Resolution	up to 300 x 600
Copier Resolution Mono	up to 600
Fax Function	yes
Cartridges	n/a
Number Of Cartridges	2
Internal Memory	yes
Network	not applicable
Connectivity	parallel, usb 2.0
OS Compatibility	pc: windows 95, 98, 98se, me, nt workstation 4.0, 2000 professional or xp, mac: os 8.6 to 9.2, os x 10.1, 10.2.1 to 10.3 or later, available usb 2.0 or parallel port
Mobile Devices Connection	no

Weight and Dimensions

Height	13.2 inches
Width	17 inches
Net Weight	25.6 pounds