Service manual
Contents
Contents
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