Confidential
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3.2 Acquire white level data (Maintenance mode 55) (Not required after
replacement of the ADF unit)............................................................................... 4-16
3.3 Check scanning................................................................................................... 4-16
4 IF YOU REPLACE THE CONTROL PANEL ASSY..................................................... 4-17
4.1 Adjust the touch panel (Maintenance mode 78) .................................................. 4-17
4.2 Check LCD operation (Maintenance mode 12) ................................................... 4-17
4.3 Check the operation of the control panel keys (Maintenance mode 13) ............. 4-17
5 IF YOU REPLACE THE INK ABSORBER BOX OR FLUSHING BOX ....................... 4-17
5.1 Reset purge and flushing counts......................................................................... 4-17
6 IF YOU REPLACE THE PAPER FEEDING RELATED PARTS and MAINTENANCE
UNIT .................................................................................................................................. 4-18
6.1 Check head nozzles (Maintenance mode 09) .....................................................4-19
6.2 Adjustment of software correction for inclination/corrugation/ruled lines
(Maintenance mode 65).......................................................................................4-19
6.3 Update paper feeding correction values (Maintenance mode 58).......................4-19
6.4 Adjust margins in borderless printing (Maintenance mode 66) ........................... 4-19
6.5 Check printing...................................................................................................... 4-19
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 Maintenance Mode for Service Personnel ........................ 5-1
1.1.2 How to Enter the End User-accessible Maintenance Mode.......................... 5-3
1.2 List of Maintenance-mode Functions..................................................................... 5-4
1.3 Detailed Description of Maintenance-mode Functions.......................................... 5-5
1.3.1 EEPROM Parameter Initialization (Maintenance mode 01, 91) .................... 5-5
1.3.2 Creating of Head Calibration Data and Writing it into Flash ROM
(Maintenance mode 02) ................................................................................ 5-6
1.3.3 Printout of Scanning Compensation White/Black Level Data
(Maintenance mode 05) .............................................................................. 5-11
1.3.4 ADF Performance Test (Maintenance mode 08) ........................................ 5-14
1.3.5 Printout of Test Pattern (Maintenance mode 09) ........................................ 5-14
1.3.6 Worker Switch Setting and Printout (Maintenance modes 10 and 11)........ 5-16
1.3.7 Operational Check of LCD (Maintenance mode 12) ................................... 5-19
1.3.8 Operational Check of Keys on Control Panel (Maintenance mode 13)....... 5-21
1.3.9 EEPROM Dump and Log Information Saving (Maintenance mode 17)...... 5-22
1.3.10
Updating of Firmware Using an External Memory (Maintenance mode 28)
..... 5-23
1.3.11 Sensor Operational Check (Maintenance mode 32) ...................................5-24