Brother DCPJ525W Service Manual page 9

CHAPTER 5 SERVICE FUNCTIONS ................................................................................. 5-1
1 MAINTENANCE MODE ................................................................................................ 5-1
1.1 Entry to the Maintenance Mode............................................................................. 5-1
1.1.1 How to Enter the End User-accessible Maintenance Mode.......................... 5-1
1.1.2 How to Enter the Maintenance Mode Exclusive to Service Personnel ......... 5-2
1.2 Key Operation in Maintenance Mode .................................................................... 5-2
1.2.1 Entering a Desired Function Code at the Initial Stage of the Maintenance
Mode ............................................................................................................. 5-2
1.2.2 Keys to be Used in the Maintenance Mode .................................................. 5-3
1.3 List of Maintenance-mode Functions..................................................................... 5-4
1.4 Detailed Description of Maintenance-mode Functions .......................................... 5-5
1.4.1 EEPROM Parameter Initialization (Function code 01, 91) ............................ 5-5
1.4.2 Creating of Head Calibration Data and Writing it into Flash ROM
(Function code 02) ........................................................................................ 5-6
1.4.3 Printout of Scanning Compensation Data (Function code 05) ...................... 5-9
1.4.4 ADF Performance Test (Function code 08) ................................................ 5-11
1.4.5 Printout of Nozzle Test Pattern (Function code 09) .................................... 5-12
1.4.6 Firmware Switch Setting and Printout (Function codes 10 and 11)
(User-accessible) ........................................................................................ 5-14
1.4.7 Operational Check of LCD (Function code 12) (User-accessible) .............. 5-17
1.4.8 Operational Check of Panel PCB (Function code 13)................................. 5-18
1.4.9 EEPROM Dump and Log Information Transfer (Function code 17)
(User-accessible) ........................................................................................ 5-20
1.4.10 Updating of Firmware Using an External Memory (Function code 28) ....... 5-21
1.4.11 Sensor Operational Check (Function code 32) ........................................... 5-22
1.4.12 Backup of Machine Information (Function code 46) (User-accessible)....... 5-24
1.4.13 Setting of Country/Language (Function code 52) (User-accessible) .......... 5-26
1.4.14 Transfer of Received FAX Data and/or Equipment's Log
(Function code 53) (User-accessible) ......................................................... 5-27
1.4.15 Fine Adjustment of Scanning Position (Function code 54) ......................... 5-30
1.4.16 Acquisition of White Level Data and CIS Scanner Area Setting
(Function code 55) ...................................................................................... 5-31
1.4.17 Updating of Paper Feeding Correction Value (Function code 58) .............. 5-32
1.4.18 Checking of CIS Travel and Specifying of CIS Type (Function code 59).... 5-39
1.4.19 Printout of PRN/JPEG Files in Memory Card (Function code 61)............... 5-40
1.4.20 Travel Check of the Head/Carriage Unit and Operational Check of the
Pressure Roller (Function code 63) ............................................................ 5-41
1.4.21 Alignment of Vertical Print Lines in Monochrome (Function code 65) ........ 5-42
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