5.1 Phenomenon Table ............................................................................................................................................ 5 1

5.1.1Symptoms .................................................................................................................................................... 5 1

5.2 Countermeasure................................................................................................................................................. 5 2

5.2.1 Image Faults................................................................................................................................................ 5 2

5.2.1.1 Partially Blank/Streaked ...................................................................................................................... 5 2

5.2.2 Malfunction................................................................................................................................................. 5 2

5.2.2.1 Control Panel Related ......................................................................................................................... 5 2

5.2.2.2 Malfunction/Faulty Detection ............................................................................................................. 5 2

5.2.3 Printing/Scanning........................................................................................................................................ 5 3

5.2.3.1 Faulty Printing/Scanning Result.......................................................................................................... 5 3

5.2.4 Jam (Main Unit) .......................................................................................................................................... 5 3

5.2.4.1 Jam when feeding paper from a cassette ............................................................................................. 5 3

5.2.4.2 The machine identifies a jam when its power is turned off and then on with paper in its

manual feed section ..................................................................................................................................... 5 3

5.3 Measurement and Adjustment........................................................................................................................... 5 4

5.3.1 Basic Adjustments ...................................................................................................................................... 5 4

5.3.1.1 Items of Adjustment ............................................................................................................................ 5 4

5.4 Service Tools ..................................................................................................................................................... 5 5

5.4.1Special Tools ............................................................................................................................................... 5 5

5.5 Error Code ......................................................................................................................................................... 5 6

5.5.1 Outline......................................................................................................................................................... 5 6

5.5.1.1 Error Code Outline .............................................................................................................................. 5 6

5.5.2 Service Error Code...................................................................................................................................... 5 6

5.5.2.1 Unique Remedies Service Error Codes ............................................................................................... 5 6

5.5.2.2 E000 Fixing Unit Failure..................................................................................................................... 5 6

5.5.2.3 E100 Laser/Scanner Unit Failure ........................................................................................................ 5 7

5.6 Service Mode..................................................................................................................................................... 5 8

5.6.1 Outline......................................................................................................................................................... 5 8

5.6.1.1 Service Data Setting ............................................................................................................................ 5 8

5.6.1.2 Service Data Entry Method ................................................................................................................. 5 9

5.6.1.3 Service Data Flowchart ....................................................................................................................... 5 9

5.6.2 Service Soft Switch Settings (SSSW)....................................................................................................... 5 12

5.6.2.1 Outline ............................................................................................................................................... 5 12

5.6.2.2 SSSW SW14 ..................................................................................................................................... 5 13

5.6.3 ROM Management (ROM)....................................................................................................................... 5 14

5.6.3.1 ROM .................................................................................................................................................. 5 14

5.6.4 Test Mode (TEST) .................................................................................................................................... 5 14

5.6.4.1 Overview ........................................................................................................................................... 5 14

5.6.4.2 DRAM Test ....................................................................................................................................... 5 16

5.6.4.3 Print Test ........................................................................................................................................... 5 17

5.6.4.3.1 Faculty Test ................................................................................................................................ 5 18

Contents

Table of Contents