Confidential
1.4.4 ADF performance test (Function code 08) ...................................................... 5-11
1.4.5 Monochrome image quality test pattern (Function code 09)............................ 5-12
1.4.6 Worker switch (WSW) setting and printout (Function code 10, 11) ................. 5-13
1.4.7 Operational check of LCD (Function code 12) ................................................ 5-17
1.4.8 Operational check of control panel button (Function code 13) ........................ 5-19
1.4.9 Software version check (Function code 25)..................................................... 5-21
1.4.10 Operational check of sensors (Function code 32) ......................................... 5-22
1.4.11 LAN connection status display (Function code 33)........................................ 5-26
1.4.12 PC print function (Function code 43) ............................................................. 5-27
1.4.13 Not-disclosed-to-users functions (Function code 45) .................................... 5-30
1.4.14 EEPROM customizing (User-accessible) (Function code 52) ....................... 5-35
1.4.15 Received data transfer function (Function code 53) (FAX model only) ......... 5-36
1.4.16 Fine adjustment of scan start/end positions (Function code 54) ................... 5-38
1.4.17 Acquisition of white level data (Function code 55)......................................... 5-40
1.4.18 Adjustment of touch panel (Function code 61) (Touch panel model only)..... 5-41
1.4.19 Adjustment of inter-color position alignment (Function code 66)................... 5-42
1.4.20 Continuous print test (Function code 67)....................................................... 5-46
1.4.21 Laser unit test pattern print (Function code 68) ............................................. 5-49
1.4.22 Frame pattern print (One-sided) (Function code 69) ..................................... 5-50
1.4.23 Frame pattern print (Two-sided) (Function code 70) ..................................... 5-51
1.4.24 Color test pattern (Function code 71) ............................................................ 5-52
1.4.25 Sensitivity adjustment of density sensor (Function code 72)......................... 5-54
1.4.26 Setting by country (Function code 74) ........................................................... 5-55
1.4.27 Printout of maintenance information (Function code 77)............................... 5-57
1.4.28 Operational check of fans (Function code 78)............................................... 5-58
1.4.29 Display of the machine history (log) (Function code 80) ............................... 5-59
1.4.30 Error code indication (Function code 82)....................................................... 5-64
1.4.31 Developing bias voltage correction (Function code 83)................................. 5-65
1.4.32 Sending communication error list (Function code 87) ................................... 5-66
1.4.33 Counter reset after replacing the fuser unit and paper feeding kit
(Function code 88)......................................................................................... 5-66
1.4.34 Exit from the maintenance mode (Function code 99).................................... 5-67
2. OTHER SERVICE FUNCTIONS...............................................................5-68
2.1 Developer Roller Counter Reset Function................................................................ 5-68
2.2 Parts Life Reset Function ......................................................................................... 5-69
2.3 Deletion of User Setting Information, etc.................................................................. 5-70
2.4 How to Recover from Errors of the Fuser Unit ......................................................... 5-71
2.5 Drum Cleaning.......................................................................................................... 5-72
2.6 Deep Sleep Function ................................................................................................ 5-73
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