Brother DCP-7055 Service Manual page 265

CHAPTER 5 SERVICE FUNCTIONS
Describes the maintenance mode which is exclusively designed for the purpose of checking
the settings and adjustments using the buttons on the control panel.
This chapter also covers not-disclosed-to-users function menus, which activate settings and
functions or reset the parts life.
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 scanner unit in position for transportation (Function code 06) ... 5-6
1.4.4 ADF performance test (Function code 08) ................................................. 5-6
1.4.5 Monochrome image quality test pattern (Function code 09) ...................... 5-7
1.4.6 Worker switch (WSW) setting and printout (Function code 10, 11) ............ 5-8
1.4.7 Operational check of LCD (Function code 12) ......................................... 5-12
1.4.8 Operational check of control panel button (Function code 13)................. 5-13
1.4.9 Adjustment of Handset Volume (Function code 16)
(Only for handset models) ........................................................................ 5-14
1.4.10 Software version check (Function code 25) ............................................. 5-15
1.4.11 Operational check of sensors (Function code 32).................................... 5-16
1.4.12 LAN connection status display (Function code 33) .................................. 5-18
1.4.13 PC print function (Function code 43)........................................................ 5-19
1.4.14 Not-disclosed-to-users functions (Function code 45) ............................... 5-22
1.4.15 EEPROM customizing (User-accessible) (Function code 52).................. 5-23
1.4.16 Received data transfer function (Function code 53) (FAX model only) .... 5-24
1.4.17 Fine adjustment of scan start/end positions (Function code 54) .............. 5-26
1.4.18 Acquisition of white level data (Function code 55) ................................... 5-27
1.4.19 Continuous print test (Function code 67) ................................................. 5-28
1.4.20 Setting by country (Function code 74)...................................................... 5-29
1.4.21 Printout of maintenance information (Function code 77).......................... 5-32
1.4.22 Operational check of fans (Function code 78).......................................... 5-33
1.4.23 Display of the machine history (log) (Function code 80) .......................... 5-34
1.4.24 Error code indication (Function code 82) ................................................. 5-38
1.4.25 Sending communication error list (Function code 87) (FAX model only) . 5-38
1.4.26 Counter reset after replacing the fuser unit and paper feeding kit
(Function code 88) ................................................................................... 5-39
1.4.27 Exit from the maintenance mode (Function code 99)............................... 5-39
CONTENTS
Confidential