Ricoh Pro C751EX

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Affected area Solution

Periodic vertical

density

fluctuation

cez560

1. In the [Adjustment

Settings for Skilled

Operators] menu, execute

[0201: Adjust Image

Density].

If the problem persists,

see p.

53, "Periodic

Density Fluctuation (1)".

Main Page

How to Read this Manual2
Introduction2
Symbols2
Important3
Notes3
Table of Contents4
Before You Begin7
Guide to Components7
Adjustment Settings for Skilled Operators Menu8
Advanced Settings for Custom Papers9
Before You Change a Setting9
Troubleshooting Service Call Problems (SC Codes)10
What Are SC Codes10
SC Code List11
Troubleshooting Image Quality Problems12
Color Toner Spotting/Staining12
Paper Is Spotted with Toner12
Colored Spots14
Colored Streaks (1)17
Colored Streaks (2)18
Colored Streaks (3)19
Black Streaks20
Two 13-MM Long Vertical Streaks21
Two 24-MM Wide Streaks23
Stained Paper Edges25
Stained Background25
Ghosting26
Scratched Images and Stained Paper Edges27
Toner Scatter28
Toner Scatter (1)28
Toner Scatter (2)30
Toner Scatter (3)32
Color Loss34
Colorless Spots34
White Dots/Lines35
Vertical White Streaks36
White Spots38
Blister-Like White Spots40
Mottling41
Density Problems43
Uneven Image Density43
Uneven Density from Top to Bottom46
Fainter Leading Edge47
Fainter Trailing Edge49
Uneven Density Within 90 MM (3.5 In.) of the Trailing Edge51
Periodic Density Fluctuation (1)53
Periodic Density Fluctuation (2)54
Color (1): Black Faint During Full Color Printing56
Color (2): Entire Image Faint58
Color (3): Faded Vertical Streaks During Full Color Printing59
Color Is too Dense61
Broken Thin Lines62
Blurred Images63
Dropouts (Character Voids)64
Gloss Problems66
Glossy Lines66
Vertical Glossy Lines68
Insufficient Gloss68
Fusing Problems69
Insufficient Toner Fusing69
Troubleshooting Paper Delivery Problems71
Frequent Paper Misfeeds71
Messages Reporting Paper Misfeeds73
If (J032) Appears74
If (J080) Appears76
If (J083) Appears77
If (J097) Appears80
If (J098) Appears81
If (J099) Appears83
Paper Skew84
Wrong Detection of Skew85
Double Feeding86
Wrong Detection of Double Feeding88
Paper Misfeeding89
Paper Feed Problems Affecting Image Quality91
The Image Is Positioned Incorrectly91
Image Scaling Error on the Side 1 of Paper93
Image Scaling Error on the Side 2 of Paper94
Image Skewing95
White Spots96
Paper Edges Are Soiled (1)97
Paper Edges Are Soiled (2)98
Paper Edges Are Soiled (3)101
Paper Edges Are Soiled (4)102
Expansion and Contraction (1)104
Expansion and Contraction (2)105
Scratches, Streaks, or Vertical Creases Appear on the Image106
Decurling Results in Scratches, Streaks, or Creases107
The Leading/Trailing Edge Margin Is Long109
Curling110
Attaching the Tab Sheet Holder111
Cleaning the Paper Feed Path113
Cleaning the Paper Feed Path in the Wide LCT (Trays 3-5)114
Cleaning the Paper Feed Path in the Multi Bypass Tray (Tray 6)116
Cleaning the Paper Feed Rollers and Paper Feed Belt in the Interposer119
Post-Processing Option Troubleshooting120
Finisher Sr5030/Booklet Finisher SR5040120
Delivered Sheets Are Not Stacked Properly120
Large Delivered Sheets Are Not Stacked Properly121
Trailing Edge of Stapled Sheets Close to the Paper Exit124
Sheets Cannot be Stapled Properly125
Multi-Folding Unit126
Inaccurate Folding (Folding Deviation)126
Folding Deviation127
Folds Soiled by Multi-Sheet Folding132
Edges of Letter Fold Bent134
Z-Folding Is Not Performed Properly136
Folded Sheets Are Not Stacked Properly137
Buffer Pass Unit138
The Fan Is Noisy138
High Capacity Stacker139
Delivered Sheets Are Severely Curled139
Delivered Sheets Are Not Aligned142
Improving Throughput145
Reducing the Waiting Time Prior to Printing145
Improving Throughput When Printing on Paper with a Thickness Equivalent to Paper Weight 6 or 7146
Improving Throughput When Printing Black-And-White Jobs and Color Jobs148

Ricoh Pro C751EX - Page 45

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