Ricoh Pro C9200 Operating Instructions Manual
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Ricoh Pro C9200 Operating Instructions Manual

Advanced settings for custom paper
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Operating Instructions
Advanced Settings for Custom Paper
For safe and correct use, be sure to read Safety Information before using
the machine.

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Summary of Contents for Ricoh Pro C9200

  • Page 1 Operating Instructions Advanced Settings for Custom Paper For safe and correct use, be sure to read Safety Information before using the machine.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. Introduction Basic Procedure..............................3 Advanced Settings..............................4 2. Printing Process Overview................................5 Laser Exposure..............................7 Laser Unit (Exposure)............................. 7 Development............................... 8 Development..............................8 Drum-to-Belt Transfer............................10 Drum-to-Belt Transfer...........................10 Belt-to-Paper Transfer............................11 Belt-to-Paper Transfer..........................11 PTR Rotation Speed............................13 Fusing................................14 Fusing Unit..............................
  • Page 4 Paper Feed/Delivery............................35 Main Tray/Vacuum Feed LCIT........................35 Adjusting the Machine’s Paper Delivery and Output................40...

  • Page 5: Introduction

    1. Introduction This chapter provides an overview of the Media Library. Basic Procedure ProC9200/C9210 Series is capable of printing on a wide variety of media using the latest technologies in digital printing such as the AC transfer and elastic fusing belt. In addition to these technologies, support of various media is also made possible by the Media Library database, which is registered with tested and proved media and programmed with optimized print parameters by media type/weight.

  • Page 6: Advanced Settings

    1. Introduction Advanced Settings Printing from the Media Library is possible with a simple procedure, however, precise adjustments (such as the transfer and fusing conditions) may be required depending upon the media attributes, which differ by each and every media. Such precise adjustments can be made from [Tray Paper Settings] [Advanced Settings].

  • Page 7: Printing Process

    2. Printing Process This chapter provides explanation on the basic Xerographic process of the engine by referring to the items of the Advanced Settings. Overview DZH300 1. OPC drum 2. Development roller 3. Laser unit 4. Charge roller 5. Intermediary transfer belt(ITB) 6.
  • Page 8 2. Printing Process • Development …… The development roller [2] carries toner to the latent image on the OPC drum [1]. • Image transfer Drum-to-belt transfer …… Toner images created on each OPC drum [1] are transferred sequentially to the ITB [5]. Belt-to-paper transfer ……...

  • Page 9: Laser Exposure

    Laser Exposure Laser Exposure Laser Unit (Exposure) The laser unit is equipped with the Vertical Cavity Surface Emitting Laser (VCSEL) technology. 40 laser beams are emitted to produce 2400dpi×4800dpi. Laser beams are reflected on the polygon mirror and lenses to create a latent image on each of the photoconductive drums by imparting static electricity on the surface of the drum.

  • Page 10: Development

    2. Printing Process Development Development The development system employs the dual-component development method. The developer is pre-mixed to prevent image quality degradation caused by deterioration of the developer that occurs over time. Electrostatic latent image areas of the drum attract negatively charged toner particles from the development roller [1].
  • Page 11 Development Related Advanced Settings page 27 "Maximum Image Density"...

  • Page 12: Drum-To-Belt Transfer

    2. Printing Process Drum-to-Belt Transfer Drum-to-Belt Transfer Among the following two print modes, the correct mode is selected automatically according to the print data sent from the printer controller. • BW mode: Job contains only black data. • FC mode: Job contains color data. Engine status Print (Stations greyed out are inactive.)

  • Page 13: Belt-To-Paper Transfer

    Belt-to-Paper Transfer Belt-to-Paper Transfer Belt-to-Paper Transfer Applied voltage The paper transfer roller features AC transfer technology. Negatively charged toner image (-) on the ITB [2] is transferred to the paper by applying a negative bias (-) to the paper transfer bias roller [1]. DZH307 Following are the three types of negative bias applied to the paper transfer bias roller: •...
  • Page 14 2. Printing Process Textured paper mode DZH009 1. ITB 2. Textured paper 3. Toner is partially transferred. 4. Toner transferred to the paper returns to the belt and combines with toner remaining on the belt. 5. Toner is transferred to the indentations on the surface of the paper. DZH010 1.

  • Page 15: Ptr Rotation Speed

    Belt-to-Paper Transfer • Belt-to-paper transfer: Trailing edge correction • Belt-to-paper transfer: Length of area to apply correction at leading edge of paper • Belt-to-paper transfer: Length of area to apply correction at trailing edge of paper • Current vs. Voltage •...

  • Page 16: Fusing

    2. Printing Process Fusing Fusing Unit The fusing belt has a thick elastic layer, as with the previous model, to allow the belt to reach farther into the surface indentations of textured media. Fusing belt Conventional fusing belt Base layer Elastic layer Surface layer Fusing roller...

  • Page 17: Fusing Nip Width Adjustment

    Fusing Image quality issues originating in the fusing unit, for example, residual gloss images, river marks, can be prevented by adjusting the target fusing temperature. Related Advanced Settings page 30 "Fusing temperature" Fusing Nip Width Adjustment The width of the fusing nip (or nip pressure) is made adjustable to prevent wrinkles. The fusing nip pressure can be adjusted separately for standard media and envelopes.

  • Page 18: Fusing Belt Smoothing Roller

    2. Printing Process DZH322 Related Advanced Settings page 31 "Fusing cleaning web" Fusing Belt Smoothing Roller Printing continuously on a particular paper size causes the paper edges to nick the fusing belt, and when switched to a job printed on a larger size, the nicked fusing belt produces unwanted gloss streaks on the prints.
  • Page 19 Fusing DZH309 Related Advanced Settings page 34 "Smoothing roller rotation interval"...

  • Page 20: Paper Delivery

    Skew detection & main scan registration A Ricoh original technology is applied to separately control skew correction and main scan registration, to achieve high accuracy in front-to-back registration. 1. CIS measures the amount of skew.
  • Page 21 Paper Delivery The sensor reading is 0V when there is no reflection (no paper detected) whereas a certain voltage is detected when there is reflection. High voltage is detected when the reflection is high; white paper, whereas low voltage is detected when the reflection is low;...
  • Page 22 2. Printing Process DZH312 Related Advanced Settings page 40 "J080 detection" Roller speed adjustment Every paper transport roller installed in the machine is controlled of the rotation speed according to the basis weight (thickness) of the paper, to support wide variety of media and prevent image quality problems.

  • Page 23: Decurl Unit

    Decurl Unit De-curling mechanism Pro C9200/C9210 is installed with three decurler units before the paper exit. To de-curl the sheets, the direction of the curl (face or back) observed on the sheets and the de-curl intensity need to be specified in Advanced Settings. The upper or lower metal roller presses and delivers the sheet to the upper or lower paper path according to the settings.

  • Page 24: Vacuum Feed Lcit

    2. Printing Process DZH319 Vacuum Feed LCIT Like the paper feed units of offset printer systems, the Vacuum Feed Large Capacity Input Tray employs the air-assist pick-up feature. In addition to the air blown from the right/left sides, sucking air to pick up the top most sheet of the stack enables smooth feeding without double-feeds and non-feeds even with coated stocks and super smooth surfaced stocks that tend to stick together, providing good feed performance.
  • Page 25 Paper Delivery DZH316 1. Return nozzle 2. Stack upper limit: High 3. Stack upper limit: Low 4. Return fan shutter valve 5. Floating nozzle...
  • Page 26 2. Printing Process...

  • Page 27: Details Of Advanced Settings

    3. Details of Advanced Settings This chapter explains the functions of the Advanced Settings and the related image quality problems that can be prevented/improved by adjusting these settings. For detailed procedure, see the Troubleshooting manual. Overview Print Mode Image quality is adjusted in balance with productivity according to the print mode (BW/FC), which differ in the maximum toner amount, i.e.

  • Page 28: Registration

    3. Details of Advanced Settings Registration Image Position/Magnification 1101 [Image Position] 1102 [Auto Adjust Image Position] 1103 [Image Position Feedback Correction] 1104 [Image Position Feedback Correction: Gap] Function Adjusts the position and magnification of the image to be printed on the paper. When to use •...

  • Page 29: Image Quality

    Image Quality Image Quality Maximum Image Density 1201 [Max Image Density] Function Adjusts the amount of toner developed on the drum. When to use To adjust the maximum toner density for the media in use. Note the possible side effects, such as worm track and toner scattering, if set too high. Related Troubleshooting •...

  • Page 30: Belt-To-Paper Transfer

    3. Details of Advanced Settings Drum-to-belt transfer correction 1215 [Image Transfer Output Correction] Function Corrects the amount of transfer current applied to the drum-to-belt transfer process. Effective for: If white spots appear, decrease this value. If the leading edge shows density problems or scattered toner or streaks appearing across the feed direction, increase this value.
  • Page 31 Image Quality For detailed procedure, see the Troubleshooting manual. Belt-to-paper transfer correction: LE/TE 1217 [Paper Transfer Output Correction: Paper Edge] Function Adjusts the amount and area (width) of the bias applied at the leading/trailing edges for the belt- to-paper transfer process. When to use •...

  • Page 32: Fusing

    3. Details of Advanced Settings Belt-to-paper transfer nip pressure 1229 [Paper Transfer Pressure] Function Adjusts the nip pressure between the paper transfer roller and the bias roller in four levels (1-4). Select a higher number as the surface of the media gets rougher. Effective for: •...
  • Page 33 Image Quality • Creases, Worm Track (Wavy Streaks), or Bends Appear • If (J086) Appears • Reducing the Waiting Time Prior to Printing • Improving Throughput when Continuously Printing on Paper of Different Types or Thicknesses • Excessive or Uneven Glossiness For detailed procedure, see the Troubleshooting manual.
  • Page 34 3. Details of Advanced Settings Function Specifies the interval of the web cleaning operation and the behavior of the pressure roller when it separates from the fusing belt. Effective for: Black spots Related Troubleshooting • Black (color) Spots (2) For detailed procedure, see the Troubleshooting manual. Erase margin: leading/trailing edge 1245 [Erase Margin] Function...
  • Page 35 Image Quality Fusing nip width adjustment: envelope 1246 [Fusing Nip Width Adjustment] 02: [Envelope] Function Specifies the fusing nip width specifically for envelope printing. When to use Effective for wrinkles, worm track that occur with envelope. Related Troubleshooting • Creases, Worm Track (Wavy Streaks), or Bends Appear •...
  • Page 36 3. Details of Advanced Settings When to use This setting basically does not require any adjustments. Related Troubleshooting None Smoothing roller rotation interval 1249 [Fusing Belt Smoothing] Function Specifies the fusing belt smoothing roller operation interval. When to use Setting a shorter interval between each belt smoothing operation is effective for residual gloss images (as shown to right), which occurs as a result of continuous printing of high image coverage pages (due to the margins at the trailing and leading edges).
  • Page 37 Paper Feed/Delivery Paper Feed/Delivery Main Tray/Vacuum Feed LCIT Main/2-Tray LCIT: paper feed mode 1301 [Main/2-Tray LCIT: Paper Feed Mode] Function Adjusts the behavior of the fan. Setting option Behavior [Prevent Double Feed Amount of air blown from the float fan and side fans is reduced 20% (Weakest Blow)] against the standard value.
  • Page 38 3. Details of Advanced Settings When to use If double-feeds do not improve by setting 1301: [Main/2-Tray LCIT: Paper Feed Mode] to [Prevent Double Feed (Weakest Blow)], decrease the airflow in [Side Fan Level] in steps of 10%. Face curl Back curl Sheets float up and tend to result in double- Sheets get pressed down and tend to result in...
  • Page 39 Paper Feed/Delivery Face curl Back curl Sheets float up and tend to result in double- Sheets get pressed down and tend to result in feeds. non-feeds. Related Troubleshooting None Main/2-Tray LCIT: side fan level 1302 [Main/2-Tray LCIT: Fan/Shutter] [Side Fan Level] Function Adjusts the amount of air blown from the side fans to separate the sheets.
  • Page 40 3. Details of Advanced Settings When to use If double-feeds do not improve by setting 1301: [Main/2-Tray LCIT: Paper Feed Mode] to [Prevent Double Feed (Weakest Blow)], increase the airflow in steps of 10%. If double-feeds occur with paper with high porosity such as air-laid non-woven paper, decrease the airflow in steps of 10%.
  • Page 41 Paper Feed/Delivery If set to On, the shutter opens and closes per sheet. If set to Off, the shutter remains open. When to use This setting basically does not require any adjustments. Related Troubleshooting None Main/2-Tray LCIT: vacuum fan shutter 1302 [Main/2-Tray LCIT: Fan/Shutter] [Vacuum Fan Shutter] Function...
  • Page 42 3. Details of Advanced Settings Adjusting the Machine’s Paper Delivery and Output Adjust Paper Curl 1311 [Correct Paper Curl] Function Specifies the amount of airflow from the fans to de-curl face-up or face-down curled stocks when feeding. When to use Use this when the sock is observed with curls and causes jams or dog-ear folds or poor stacking.
  • Page 43 Paper Feed/Delivery Related Troubleshooting • If (J097) Appears • If (J098) Appears • Wrong Detection of Skew • Preprinted Paper For detailed procedure, see the Troubleshooting manual. Skew detection 1321 [Jam Detection] 02: [JAM097/098 Detect Threshold] 1321 [Jam Detection] 05: [JAM097] 1321 [Jam Detection] 04: [JAM098] Function...
  • Page 44 3. Details of Advanced Settings Also, if CIS luminance is high, paper dust and stains may accumulate in the machine, and this may cause erroneous (JAM97/JAM98) jam detection. When printing on plain and thin color paper, it may be effective to adjust the luminance to standard value "3". Related Troubleshooting None Transfer timing roller feed speed...
  • Page 45 Paper Feed/Delivery For detailed procedure, see the Troubleshooting manual. Fusing belt feed speed 1331 [Motor Speed] [Speed Adjustment] 03: [Trans-Fusing Transf Belt 1] 1331 [Motor Speed] [Speed Adjustment] 04: [Trans-Fusing Transf Belt 2] 1331 [Motor Speed] [Speed Adjustment] 05: [Fusing Belt] Function Adjusts the rotation speed of the fusing belt.
  • Page 46 3. Details of Advanced Settings Paper Feed Interval Setting 1331 [Motor Speed] [Speed Adjustment] 07: [Paper Feed Interval Setting] Function Adjusts the speed of all the motors related to paper transport. When to use Clots of toner (black spots) appear on the printouts Related Troubleshooting •...
  • Page 48 EN GB EN US EN AU M0B2-1031 © 2018...

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Pro c9210

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