Brother MFC-7320 Service Manual

vi
Confidential
8.29.3 TONER LED PCB ASSY ...................................................................................... 3-77
8.30 LVPS ................................................................................................................................ 3-78
8.30.1 LVPS PCB UNIT .................................................................................................. 3-78
8.30.2 LV SHIELD PLATE 2 ............................................................................................ 3-80
8.31 REGISTRATION FRONT SENSOR PCB ASSY .............................................................. 3-81
8.32 REGISTRATION REAR SENSOR PCB ASSY ................................................................. 3-85
8.33 DRIVE SUB ASSY ............................................................................................................ 3-88
8.34
DEV JOINT / DEV GEAR JOINT/53R / REGISTRATION PENDULUM GEAR SPRING ........ 3-90
8.35 THERMISTOR HARNESS UNIT ...................................................................................... 3-91
8.36 TONER SENSOR PCB UNIT ASSY ................................................................................. 3-92
8.37 REGISTRATION SOLENOID / T1 SOLENOID ................................................................ 3-93
8.37.1 REGISTRATION SOLENOID ............................................................................... 3-93
8.37.2 T1 SOLENOID ...................................................................................................... 3-95
8.38 MAIN SHIELD PLATE / EJECT SENSOR PCB ASSY ..................................................... 3-96
8.39 RUBBER FOOT .............................................................................................................. 3-100
8.40 MAIN FRAME L ASSY .................................................................................................... 3-101
CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS,
REQUIRED AFTER PARTS REPLACEMENT .............................. 4-1
1. IF YOU REPLACE THE MAIN PCB ............................................................................................. 4-1
2. IF YOU REPLACE THE WIRELESS LAN PCB ......................................................................... 4-11
3. IF YOU REPLACE THE LASER UNIT ....................................................................................... 4-12
4. IF YOU REPLACE THE FB UNIT .............................................................................................. 4-13
CHAPTER 5 SERVICE FUNCTIONS .................................................................. 5-1
1. MAINTENANCE MODE ............................................................................................................... 5-1
1.1 How to Enter the Maintenance Mode ................................................................................. 5-1
1.2 How to Enter the End User-accessible Maintenance Mode ............................................... 5-1
1.3 List of Maintenance-mode Functions .................................................................................. 5-2
1.4 Detailed Description of Maintenance-mode Functions ....................................................... 5-3
1.4.1 EEPROM Parameter Initialization (Function code 01, 91) ..................................... 5-3
1.4.2 Printout of Scanning Compensation Data (Function code 05) ............................... 5-4
1.4.3 Placement of CIS Unit in Position for Transportation (Function code 06) .............. 5-6
1.4.4 ADF Performance Test (Function code 08) ............................................................ 5-6
1.4.5 Test Pattern (Function code 09) ............................................................................. 5-7
1.4.6 Worker Sw WSW) Setting and Printout ................................................................. 5-8
1.4.7 Operational Check of LCD (Function code 12) .................................................... 5-13
1.4.8 Operational Check of Control Panel Button (Function code 13) .......................... 5-14
1.4.9 ROM Version Check (Function code 25) .............................................................. 5-15
1.4.10 Operational Check of Sensors (Function code 32) .............................................. 5-16
1.4.11 PC Print Function setting (Function code 32) ....................................................... 5-18

Brother MFC-7320 Specifications

General

Print technology	Laser
Maximum resolution	2400 x 600 DPI
Time to first page (black, normal)	10 s
Print speed (black, normal quality, A4/US Letter)	18 ppm
Copier resize	25 - 400 %
PC free copying	Yes
Maximum copy resolution	600 x 600 DPI
Copy speed (black, normal quality, A4)	11 cpm
Faxing	Mono faxing
Fax memory	400 pages
Fax speed dialing (max numbers)	200
Total input capacity	250 sheets
Total output capacity	100 sheets
Multi-Purpose tray input capacity	1 sheets
Auto document feeder (ADF) input capacity	35 sheets
Sound power level (standby)	32 dB
Sound pressure level (printing)	53 dB
Standard interfaces	USB 2.0
Dimensions (WxDxH)	428 x 396 x 304 mm
All-in-one functions	Copy, Fax, Scan
Color all-in-one functions	scan, n
Compatible operating systems	Windows Vista, XP (32 & 64 bit); Windows 2000, Mac OS X 10.2.4 en recenter Linux printer driver
Power consumption (standby)	75 W
Power consumption (PowerSave)	9 W
Power consumption (average operating)	320 W
Display	LCD
Market positioning	Home & office
Media weight (tray 1)	60 - 105 g/m²
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5, B6
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Bundled software	ScanSoft Paperport 11 SE+OCR, Newsoft Presto!, PageManager7 (Mac)
Package weight	14.900 g
Grayscale levels	256
Input color depth	24 bit
Sustainability certificates	ENERGY STAR