Shared Maintenance Offering: Troubleshooting

Adjusting Paper Settings

• Paper Setting Flowchart

• Improving Fusibility

• Improving Transferability

• Improving Paper Deliverability

Image Index

• Large Classification: Lines/Streaks

• Large classification: Spots

• Large classification: Full page

Dirtied Printouts

• Stains on the Area up to 204 mm (8 inches) Away from the Leading Edge of the Paper (Transparent Film, etc.)

• Toner Blasting (Lines)

• Toner Blasting (Trailing Edge)

• Toner Blasting (When Printing in 2 Colors)

• Granular Toner Stains on the Paper Edges (When Printing on Thick Paper)

• White Toner Stains on the Background on Black Paper (Banding-Shape)

• Toner Stains of Mixed Colors (Horizontal Streaks)

• Stains at the Edge of the Paper

Disturbed Image

• Deterioration of Graininess in Halftone Areas

Uneven Density

• The Areas around the Images Using the Special Toner (clear) Blur

• Uneven Density within 90 mm (3.5 inches) of the Trailing Edge

• Faint Small Solid-Fill Images

• Faint Black / White Streaks in the Areas Using Only Black

• Mottling (Paper with Indentations and Other Textured Paper)

• Glossy Ghosting (Horizontal Glossy Streaks)

• Multiple Horizontal Glossy Streaks (Glossy Ghosting)

• Uneven Density between the Left and Right Sides (at 40 mm (1.6 inches) Intervals)

• Uneven Density (Textured Paper)

• Uneven Density (Metallic Paper or Textured Paper)

• Uneven Density: Mixed-color Images

• Mottling of Uneven Density on Half-Tone Images

• Uneven Glossiness Occurring Partly

• Wavy Uneven Glossiness (on Thin Coated Paper)

• Hazing on the Sides / Arched Glossy Streaks

• Uneven Glossiness on Side 2 (Back of the Paper)

• Uneven Glossiness when Printing on Thick Paper

• River Marks (Worm Tracks)

• Worm Marks, Creases, and Fusing Errors on Envelopes

Unprinted

• Faint Color at the Leading Edge of the Paper (White Spots)

• Faint Color at the Trailing Edge of the Paper (White Spots)

• When Using Transparent Film

• White Spots (Unprinted: Around Clear-toner Images)

• White Streaks When Printing on Cast-Coated Paper

• White spots caused by fingerprints

• Faint Oval Spots at Paper Edges

• Rippling, Uneven Streaks, or White Spots (Caused by Condensation)

• Patchy Images on Text or at the Edge of the Image

• Patchy Image (Clear Toner Image)

Faintness and Other Problems

• Images Stretching (Margin Narrow at the Trailing Edge of the Paper)

• Insufficient Gloss: Clear Image

• Excessive Gloss

• Waves: Trailing Edge (A4 and larger)

• White Stains/Ghosting When Printing on Transparent Film

Bands

• Banding (General)

• Banding: 189 mm (7.5 inches) Intervals

• Banding Occurring Every 3 mm (0.1 inches) after Solid-Fill Image

• Banding at Random Pitch (Metallic Paper)

• Banding in Solid-Fill Areas Printed with Metallic (Gold) Toner

• Horizontal Black Streaks in the area 9 mm (0.3 inches) from the leading edge of the paper

• Horizontal Black Bands in the Area 60 mm (2.3 inches) from the Leading Edge of the Paper (Metallic Paper)

• Horizontal Streaks (Synthetic Paper)

• Horizontal Streaks of Uneven Density (Low-Resistance Paper)

• Horizontal Streaks in the Area 280-300 mm (11-11.8 inches) from the Leading Edge of the Paper (Shock Jitter When Using Stiff Paper)

• Paper Transfer Shock Jitter / Shock Jitter (When the Positions of K and S Toners Have Been Switched)

• Vertical (In-track) White Streaks (Glossy)

Streaks

• Horizontal (Cross-track) Black Streaks at the Edge of the Image

• Glossy Lines at the Edge of the Paper

• Horizontal (Cross-track) White Streaks across the Paper

• White Stain at the Trailing Edge of the Image Using the Special Toner (White)

• White Streaks Parallel to the Paper Feed Direction

• Vertical Glossy (In-track) Streaks (Due to the Toner Wax on the Image)

Spots

• Black Spots (Granular Toner Clotting)

• White Spots, Colored Streaks

• Medaka (White Spots)

• White Spots/Toner Blasting

• Blister-like White Spots

• White Bird Tracks

• Stains appear on the back of the paper approximately every 205 mm (8.1 inches) in the paper feed direction

Cleaning the Parts of the Machine

• Cleaning the Machine's Trays 1 and 2

• Cleaning the Paper Feeding Section of the Bypass Tray

• Cleaning around the Photoconductor

• Clean the Transfer Entrance Guide Plate

• Cleaning the CIS Glass

• Cleaning Contact Image Sensor Back Plate

• Cleaning the Machine's Transfer Unit

• Cleaning the Rollers in the Paper Exit

• Cleaning the Double-Feed Sensor

• Cleaning the Turned-Over Delivery Unit

• Cleaning the Cooling Belt of the Turned-Over Delivery Cooling Unit

• Cleaning the Switchback Guide Plate

• Cleaning the Pressure Separation Pawls

Double Feeding

• J099 Appears

• Double-feeding is erroneously detected or cannot be detected

Paper Misfeeding

• Paper Misfeeding (Main Tray)

Streaks, Scratches, Disturbed Image, Crease

• Streaks or Scratches (How to Identify the Cause)

• Image Deformation, Scratches, Streaks, Paper Creases or Bent Corners

• Paper Jams, Sheets Becoming Bent or Damaged at the Corners Occurring with Turned-Over Paper Delivery of Synthetic Paper and Plastic Sheets

• Creases on Thin Coated Paper

• Creases or Worm Tracks (on Thin Paper)

• Stains on the Paper Edges

• 13 mm (0.5 inches) Wide Roller Marks Appearing on the Leading Edge of Paper Delivered Face Down

• Toner Stains like Roller Marks (after Continuous Large Volume Printing on Coated Paper)

• Vertical White Streak Roller Marks

• White Spots or Scratches due to Paper Dust

• White Streaks of Stains Appearing when Feeding Dark-Color Paper after White Coated Paper

Paper Jam

• Frequent Paper Misfeeds

• Useful Functions for Determining the Cause of a Paper Jam (without Purging)

• J033/J082 Appears

• J033 / J034 / J083 (Paper Jam at the Fusing Unit during Solid-Fill Image Printing)

• Paper Jams Occur with Crumpling of the Leading Edge When Thin Paper Is Used

• J048 Appears

• J080 Appears

• Paper Bending or Paper Jams (J034 / J035 / J036 / J084 / J085 / J086)

Skew

• J097 (Excessive Skew)

• J098 (Shifting)

Roller Marks Appearing When Dark-Color Paper Is Fed after White Paper

• Roller Marks Appearing When Dark-Color Paper is Fed after White Paper

Vacuum Feed LCIT RT5150

• Common Troubleshooting

• Double Feeding (J099, J470, J471, J485, J486, J500, J501)

• Paper Misfeeds (J430, 431, 445, 446, 460, 461)

• Excessive Skew/Shifting (J097, J098)

• Attaching the Side Fences and End Fence Correctly

• Attaching the Small Tab End Fence to the Wide Large Capacity Tray

• Attaching the Tab Fence in the Wide Large Capacity Tray

• Attaching the Side Fences, Auxiliary Side Fence, and End Fence (for Long Paper)

• Measuring the Curl / Decurling

• Cleaning the Vacuum Feed LCIT RT5150

• Cleaning the Wide LCT Connection Unit

• Using the Paper Retainer Correctly

• Paper Jam Occurs in the Paper Transfer Unit

Buffer Pass Unit

• Roller Marks Appearing When Feeding Dark-Color Paper after Feeding White Paper

• Glossy banding approximately 14 mm (0.6 inches) wide occurs at an area 33 mm (1.3 inches) from the center in the paper feed direction.

• The Buffer Pass Unit's Fan is Noisy

• Cleaning the Buffer Pass Unit

Finisher/Booklet Finisher

• The Leading Edge of Paper Rolls Up (JAM607 / JAM609)

• Not Stacked Properly (Carbonless Paper of Paper Weight 0/1)

• Envelopes with triangular flaps are not stacked properly

• Trailing Edge of Stapled Sheets Close to the Paper Exit

• Stapled Sheets Are Scratched or Jammed

• Stitching Missing, Incorrect Stitching Position, Ear-fold, or Misaligned Occurs

• Paper Stitched inside is Stained

• When Using the Booklet Finisher, a Paper Jam Occurs with only the Front Cover Delivered

• Punched Holes are Torn and a Paper Jam Occurs

• Paper is Stained (Clean rollers and paper guides)

Interposer

• Paper Misfeeds or Double-Feeding Occurs

• Horizontal Streaks Occur When Loading a Full-Page, Solid-Fill Sheet

High Capacity Stacker

• Sheets Are Curled

• Sheets Are Not Aligned

• The Machine Wrongly Detects That the Tray Is Full

• Paper Edges Are Stained

Other Post- Processing Options

• Thin Paper may have Problems such as Curling, Stacking Error, Paper Jam, and Sheets being Bent at the Corners

• Metallic Paper and Synthetic Paper may have Problems such as Curling, Stacking Error, Paper Jam, and Sheets being bent at the Corners

Waiting Time Prior to Printing is Too Long

• Waiting Time Prior to Printing is Too Long (Other than Envelope)

• Waiting Time Prior to Printing is Too Long (Envelope)

Insufficient Fusibility

• Insufficient Fusibility