Toshiba e-STUDIO520 Service Handbook page 7

e-STUDIO520/600/720/850
1. SPECIFICATIONS/ACCESSORIES/OPTIONS/SUPPLIES ......................................... 1-1
1.1 Specifications....................................................................................................................... 1-1
1.2 Accessories ....................................................................................................................... 1-10
1.3 Options .............................................................................................................................. 1-11
1.4 Supplies ............................................................................................................................. 1-12
1.5 System List ........................................................................................................................ 1-13
2. ERROR CODE AND SELF-DIAGNOSTIC MODE ........................................................ 2-1
2.1 Error Code List..................................................................................................................... 2-1
2.1.1 Jam........................................................................................................................... 2-1
2.1.2 Service call ............................................................................................................... 2-9
2.1.3 Error in Internet FAX / Scanning Function.............................................................. 2-15
2.1.4 Printer function error............................................................................................... 2-25
2.2 Self-diagnosis Modes ........................................................................................................ 2-27
2.2.1 Input check (Test mode 03).................................................................................... 2-29
2.2.2 Output check (test mode 03) .................................................................................. 2-36
2.2.3 Test print mode (test mode 04) .............................................................................. 2-40
2.2.4 Adjustment mode (05) ............................................................................................ 2-41
2.2.5 Setting mode (08) ................................................................................................... 2-74
2.2.6 Pixel counter......................................................................................................... 2-190
2.2.7 Classification List of Adjustment Mode (05) / Setting Mode (08).......................... 2-200
3. ADJUSTMENT .............................................................................................................. 3-1
3.1 Adjustment of Auto-Toner Sensor ....................................................................................... 3-1
3.2 Image Dimensional Adjustment ........................................................................................... 3-3
3.2.1 General description .................................................................................................. 3-3
3.2.2 Paper alignment at the registration roller ................................................................. 3-5
3.2.3 Printer related adjustment ........................................................................................ 3-9
3.2.4 Scanner related adjustment ................................................................................... 3-14
3.3 Image Quality Adjustment (Copying Function) .................................................................. 3-23
3.3.1 Density adjustment ................................................................................................. 3-23
3.3.2 Gamma slope adjustment ...................................................................................... 3-24
3.3.3 Background adjustment.......................................................................................... 3-24
3.3.4 Sharpness adjustment............................................................................................ 3-24
3.3.5 Setting range correction ......................................................................................... 3-25
3.3.6 Setting range correction (Adjustment of background peak) ................................... 3-25
3.3.7 Adjustment of smudged/faint text ........................................................................... 3-26
3.4 Image Quality Adjustment (Printing Function) ................................................................... 3-27
3.4.1 Adjustment of smudged/faint text ........................................................................... 3-27
3.4.2 Gamma balance adjustment .................................................................................. 3-27
3.4.3 Image density adjustment ...................................................................................... 3-28
3.5 Image Quality Adjustment (Scanning Function) ................................................................ 3-29
3.5.1 Density adjustment ................................................................................................. 3-29
3.5.2 Sharpness adjustment............................................................................................ 3-30
3.5.3 Setting range correction ......................................................................................... 3-31
3.5.4 Setting range correction (Adjustment of background peak) ................................... 3-31
3.5.5 Background adjustment.......................................................................................... 3-32
3.6 Measurement at Replacement of High-Voltage Transformer ............................................ 3-33
3.6.1 Measurement ......................................................................................................... 3-33
3.7 Adjustment of the Scanner Section ................................................................................... 3-37
3.7.1 Carriages ................................................................................................................ 3-37
3.7.2 Lens unit ................................................................................................................. 3-41
3.7.3 Scan motor ............................................................................................................. 3-44
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CONTENTS
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05/05
e-STUDIO520/523/600/603/720/723/850/853
CONTENTS