5.1 Troubleshooting Index ........................................................................................................................................5-1

5.1.1 Troubleshooting Index .................................................................................................................................5-1

5.2 Errors Shown on the Display ..............................................................................................................................5-3

5.2.1 User Error Message......................................................................................................................................5-3

5.3 Error Code...........................................................................................................................................................5-8

5.3.1 ERROR CODE LIST ...................................................................................................................................5-8

5.3.2 New Error Codes and Recovery methods ..................................................................................................5-13

5.4 Errors not Shown on the Display ......................................................................................................................5-15

5.4.1 General Errors ............................................................................................................................................5-15

5.4.2 Printing problem ........................................................................................................................................5-15

5.4.3 Scanning Problems.....................................................................................................................................5-17

5.4.4 Memory Card Problem...............................................................................................................................5-18

5.5 Test Mode Function Problems ..........................................................................................................................5-19

5.5.1 Faulty Operation Panel Test.......................................................................................................................5-19

5.5.2 Faulty DRAM Test.....................................................................................................................................5-19

5.5.3 Faulty Sensor Test......................................................................................................................................5-19

5.6 Processing Communication Problems ..............................................................................................................5-20

5.6.1 Initial identification of problems................................................................................................................5-20

5.6.2 Procedures for processing communication problems ................................................................................5-21

5.7 Test Functions ...................................................................................................................................................5-25

5.7.1 Test Mode Overviw ...................................................................................................................................5-25

5.7.2 Test Mode Flowchart .................................................................................................................................5-25

5.7.3 DRAM Tests ..............................................................................................................................................5-27

5.7.4 PRINT Tests...............................................................................................................................................5-27

5.7.5 FACULTY Tests........................................................................................................................................5-28

5.7.6 PRINTER Tests..........................................................................................................................................5-32

5.7.7 MODEM, NCU Tests ................................................................................................................................5-33

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