Ricoh PRO C751 - Table of Contents

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Table of Contents
How to Read This Manual ...................................................................................2
Introduction....................................................................................................2
Symbols.........................................................................................................2
Important ....................................................................................................... 3
Notes ...........................................................................................................3
1. Before You Begin ...............................................................................7
1.1 Guide to Components .................................................................................7
1.2 Adjustment Settings for Skilled Operators Menu......................................... 8
1.3 Advanced Settings for Custom Papers ....................................................... 9
1.4 Before you change a setting .......................................................................9
2. Troubleshooting Service Call Problems (SC Codes) ....................10
2.1 What Are SC Codes?................................................................................10
2.2 SC Code List............................................................................................. 11
3. Troubleshooting Image Quality Problems .....................................12
3.1 Color Toner Spotting/Staining ...................................................................12
3.1.1 Paper Is Spotted with Toner ............................................................. 12
3.1.2 Colored Spots................................................................................... 14
3.1.3 Colored Streaks (1) ..........................................................................17
3.1.4 Colored Streaks (2) ..........................................................................18
3.1.5 Colored Streaks (3) ..........................................................................19
3.1.6 Black Streaks ...................................................................................20
3.1.7 Two 13-mm Long Vertical Streaks....................................................21
3.1.8 Two 24-mm Wide Streaks ................................................................23
3.1.9 Stained Paper Edges........................................................................ 25
3.1.10 Stained Background .........................................................................25
3.1.11 Ghosting ........................................................................................... 26
3.1.12 Scratched Images and Stained Paper Edges................................... 27
3.2 Toner Scatter ............................................................................................28
3.2.1 Toner Scatter (1) ..............................................................................28
3.2.2 Toner Scatter (2) ..............................................................................30
3.2.3 Toner Scatter (3) ..............................................................................32
3.3 Color Loss................................................................................................. 34
3.3.1 Colorless Spots ................................................................................ 34
3.3.2 White Dots/Lines .............................................................................. 35
3.3.3 Vertical White Streaks ...................................................................... 36
3.3.4 White Spots ...................................................................................... 38
3.3.5 Blister-like White Spots..................................................................... 40
3.3.6 Mottling............................................................................................. 41
3.4 Density Problems......................................................................................43
3.4.1 Uneven Image Density .....................................................................43
3.4.2 Uneven Density from Top to Bottom................................................. 46
3.4.3 Fainter Leading Edge ....................................................................... 47
3.4.4 Fainter Trailing Edge ........................................................................ 49