Epson AcuLaser C1900 Service Manual
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Epson AcuLaser C1900 Service Manual

Epson AcuLaser C1900 Service Manual

A4 color page printer
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SERVICE MANUAL ROSCO
A4 Color Page Printer
EPSON AcuLaser C1900
AcuLaser C900
®
SEPG02003

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Summary of Contents for Epson AcuLaser C1900

  • Page 1 SERVICE MANUAL ROSCO A4 Color Page Printer EPSON AcuLaser C1900 AcuLaser C900 ® SEPG02003...
  • Page 2 SEIKO EPSON CORPORATION. All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.
  • Page 3 REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.

  • Page 4: Chapter 1 Product Description

    Provides preventive maintenance procedures and the lists of condition that is necessary to accomplish a task efficiently. It may P O I N T Epson-approved lubricants and adhesives required for servicing also provide additional information that is related to a specific the product.

  • Page 5: Safety Precautions For Inspection And Service

    Safety Precautions for Inspection and Service When performing inspection and service procedures, observe the W A R N I N G WARNING following precautions to prevent accidents and ensure utmost safety. * Depending on the model, some of the precautions given in the 1.Always observe precautions.
  • Page 6 4.Handle the power cord with care and never use a multiple outlet. 9.Do not remodel the product. Do not break, crush or otherwise damage the power cord. Modifying this product in a manner not authorized by the Placing a heavy object on the power cord, or pulling or manufacturer may result in a fire or electric shock.
  • Page 7 C A U T I O N 3.Precautions for the Working Environment CAUTION The product must be placed on a flat, level surface that is stable and secure. Never place this product or its parts on an unsteady or tilting 1.Precautions for Service Jobs workbench when servicing.

  • Page 8: Other Precautions

    Other Precautions 5.Precautions for the Laser Beam (Only for Products Employing a Laser) When handling circuit boards, observe the “HANDLING of PWBs”. Removing the cover marked with the following caution label could lead to possible exposure to the laser beam, resulting in eye damage or blindness.

  • Page 9: Precautions For Service

    Precautions for Service All troubleshooting procedures contained herein assume that there are no breaks in the harnesses and cords and all connectors are plugged into the right positions. When performing inspection and service procedures, observe the following precautions to prevent mishandling of the machine and its The procedures preclude possible malfunctions due to noise parts.
  • Page 10 PRECAUTIONS FOR DISASSEMBLY/REASSEMBLY PRECAUTIONS FOR CIRCUIT INSPECTION Be sure to unplug the copier from the outlet before attempting to Never create a closed circuit across connector pins except those service the copier. specified in the text and on the printed circuit. The basic rule is not to operate the copier anytime during When creating a closed circuit and measuring a voltage across disassembly.
  • Page 11 When removing a Board from its conductive bag or conductive HANDLING OF THE PC DRUM case, do not touch the pins of the ICs or the printed pattern. Place it in position by holding only the edges of the Board. * Only for Products Not Employing an Imaging Cartridge.
  • Page 12 If, however, the surface is contaminated with fingerprints, clean it using the following procedure. 3. Soak a small amount of either ethyl alcohol or isopropyl alcohol into a clean, unused Place the PC Drum into one half of its carton. Dust-Free Cotton Pad which has been folded over into quarters.
  • Page 13 HANDLING OF THE IMAGING CARTRIDGE * Only for Products Employing an Imaging Cartridge. During Transportation/Storage: The storage temperature is in the range between -20°C and +40°C. In summer, avoid leaving the Imaging Cartridge in a car for a long time. Handling: Store the Imaging Cartridge in a place that is not exposed to direct sunlight.

  • Page 14: Safety Information

    SAFETY INFORMATION the U.S.A., Canada (CDRH Regulation) LASER SAFETY This machine is certified as a Class I Laser product under This is a digital machine certified as a class 1 laser product. There is no Radiation Performance Standard according to the Food, Drug possibility of danger from a laser, provided the machine is serviced and Cosmetic Act of 1990.
  • Page 15 Denmark Finland, Sweden LUOKAN 1 LASERLAITE ADVARSEL KLASS 1 LASER APPARAT Usynlig laserstråling ved åbning, når sikkerhedsafbrydere er ude af funktion. Undgå udsættelse for stråling. Klasse 1 laser produkt der opfylder IEC60825 sikkerheds kravene. VAROITUS! Laitteen käyttäminen muulla kuin tässä käyttöohjeessa mainitulla tavalla halvlederlaser saattaa altistaa käyttäjän turvallisuusluokan 1 ylittävälle näkymättömälle lasersäteilylle.
  • Page 16 LASER SAFETY LABEL PRECAUTIONS FOR HANDLING THE LASER EQUIPMENT When laser protective goggles are to be used, select ones with a A laser safety label is attached to the outside of the machine as shown lens conforming to the above specifications. below.
  • Page 17 Revision Status Revision Date of Issue Description June 3, 2002 Partial release (Chapter 1/ Chapter4) (provisional) September 30, 2002 First release June 19, 2003 Revised: Chapter 1: 1.2.9.2 Lives of Components (Page 38) (Additional note is added.) Chapter 1: 1.3.2 Differences in Jumper Settings between Designated Markets (Page 41) (Description about jumper setting for Network I/F Link mode is added.) Chapter 2: 2.4.6.2 Fusing Loop Control (Page 110) (Description about the mechanism is added.)

  • Page 18: Table Of Contents

    EPSON AcuLaser C1900/AcuLaser C900 Revision B Contents Chapter 1 Product Description 1.4.2 List of Panel Settings (Only with AcuLaser C1900) ........49 1.4.3 Explanation of Each Setting Menu and Items 1.1 Product Description ..................... 22 (Only with AcuLaser C1900) ..............56 1.1.1 Features.......................
  • Page 19 2.5 Controller Board Operating Principles.............. 118 4.4.1 Upper Front Cover..................177 4.4.2 Top Cover ....................177 Chapter 3 Troubleshooting 4.4.3 Front Door ....................178 4.4.4 Rear Cover....................178 3.1 Overview ......................123 4.4.5 Upper Rear Cover..................178 3.2 Status Display (AcuLaser C1900) ..............124...
  • Page 20 EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.4.6 Left Cover ....................179 5.3 Service Utility (AcuLaser C900)............... 212 4.4.7 Front Cover ....................179 5.3.1 Overview ....................212 4.4.8 Right Door ....................180 5.3.1.1 Operating Environment ..............212 5.3.1.2 Conditions for Use ................212 4.5 Printer Main Parts Disassembly and Assembly..........
  • Page 21 C H A P T E R PRODUCT DESCRIPTION...

  • Page 22: Product Description

    1.5 K pre-installed toner 1.5 K toner for each color included with package 4.5 K toner for Optional use AcuLaser C1900/AcuLaser C900 are non-impact color page printer that takes advantage of the laser and electrophotographic technology. CONTROLLER FEATURES 1.1.1 Features <AcuLaser C1900>...
  • Page 23 EPSON AcuLaser C1900/AcuLaser C900 Revision B <AcuLaser C900> <AcuLaser C900> Host based controller ESC/PageS installed CPU: VR4305-48MHz Color supported Standard RAM: 16 MB, Duplex printing supported with additional RAM DIMM expanding to a maximum of 144 MB Network compatibility Color technologies Use of background job commands establish network connections.

  • Page 24: Basic Specifications

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.2 Basic Specifications 1.2.2 Printer Basic Specifications Resolution 1.2.1 Process Specifications 600 dpi Warming Up Time Printer formula Semi-conductor laser beam scan and elector photography with dry single : 180 seconds or less (in 23 °C 55%RH, rated voltage) 100 V, 120 V component no electromagnetic toner.
  • Page 25 EPSON AcuLaser C1900/AcuLaser C900 Revision B First Printing Time Continuous Printing Speed B/W mode B/W mode Table 1-2. First Printing Time (Unit: seconds max.) Table 1-4. Continuous Printing Speed (Unit: ppm) Duplex Duplex Simplex printing Simplex printing Printing mode Printing mode...
  • Page 26 EPSON AcuLaser C1900/AcuLaser C900 Revision B Color mode Paper Feed Reference Centerline reference for each paper size, and for both the MP tray and optional Table 1-5. Continuous Printing Speed (Unit: ppm) cassette unit (option). Duplex Simplex printing Paper Feed...
  • Page 27 EPSON AcuLaser C1900/AcuLaser C900 Revision B Applicable Paper Sizes, Paper Types, and Paper Orientation Table 1-7. Applicable Paper Sizes, Paper Types, and Paper Orientation (continued) Paper size Unit mm Table 1-7. Applicable Paper Sizes, Paper Types, and Paper Orientation Optional...
  • Page 28 EPSON AcuLaser C1900/AcuLaser C900 Revision B Envelope Orientation Optional 500-sheet cassette unit Paper size: Fixed on A4 or Letter Paper thickness: 60 g/m ~ 90 g/m Feeding Output Paper Capacity direction Face-down (FD) tray only 200 sheets → Dimensions and Weights Table 1-8.
  • Page 29 : 200 k pages printed or five years, whichever Power Consumption comes first <AcuLaser C1900> Duplex print unit : 200 k pages printed or five years, whichever comes first Table 1-9. Power Consumption (AcuLaser C1900) Noise 100 V 120 V 230 V Table 1-11. Noise Maximum current rated...

  • Page 30: Paper Specifications

    • Papers with special coatings or paper for color printers with processed Overseas: surfaces 4024 paper (20 lb) (B/W), EPSON high-quality plain paper (A4/LT) • Papers that are too smooth (slick and slippery) or too rough on its Plain paper surfaces •...

  • Page 31: Paper Feeding

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.2.3.2 Paper Feeding 1.2.3.3 Printing Area Maximum Printable Area: Width 208 mm / length 348 mm Table 1-13. Paper Feeding Guaranteed Printing Area: All area of a sheet, which is up to the paper size 216 Special applications mm ×...

  • Page 32: Reliability And Maintainability

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.2.4 Reliability and Maintainability Printing Start Position Accuracy Main scanning 1.2.4.1 Reliability direction ± 2.0mm MPBF/MTBF reference position (c) Simplex Main unit: 35,000 pages or more / 3,000 hours or more printing Sub scanning...

  • Page 33: Durability

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.2.5 Operating Conditions (Including Consumables) Height of Curl of Printed Pages Table 1-17. Height of Curl of Printed Pages Air Temperature and Humidity Paper type Height of curl Table 1-18. Standard paper, plain paper 30 mm or less Temperature (°C)
  • Page 34 EPSON AcuLaser C1900/AcuLaser C900 Revision B Space Requirements In order to ensure that the printer operates properly, provide at least as sufficient 1225 mm space as shown in the figure below. NOTE: The space height required above the top cover is 200 mm or more.

  • Page 35: Storage And Transport Environments Of The Packaged Printer Main Unit And Optional Products

    : No error in any devices. 52 cm height, and in 1 corner, 3 edges, 6 sides of direction. Discharge into the air 15 kV : No error in any devices. Compliant with the EPSON transport assessment standard (T- AE05-001-001). Inrush Current °...

  • Page 36: Compatible Standard

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.2.8 Compatible Standard Withstand Voltage Breakdown must not occur when the voltages shown in the table below are applied for Safety Standard one minute. 100 V/120 V UL1950 3rd Edition Table 1-20. Withstand Voltage CSA C22.2 No.950-95 3rd...

  • Page 37: Consumable / Regular Replacement Component Specifications

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.2.9 Consumable / Regular Replacement Component Others Specifications Toner : No materials hazardous to human health (conforms to OSHA, TSCA, and EINECS) 1.2.9.1 Specifications : No materials hazardous to human health (conforms to OSHA)

  • Page 38: Lives Of Components

    EPSON AcuLaser C1900/AcuLaser C900 Revision B Regular Replacement Parts Color mode Table 1-24. Lives of Components (Color mode) Table 1-22. Regular Replacement Parts Continuous 4P/J 1P/J Name Lifetime specifications Component Specification Speed Mode Printing (Unit: (Unit: Fuser Unit 120 K pages...

  • Page 39: Storage And Transport Environments For Packages

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.2.9.3 Storage and Transport Environments for Packages NOTE 1: Operation currently taken into consideration as conditions for life determination • AIDC Temperature and Humidity Conditions • ATVC • Preliminary operation at the time of consumables exchange. (T/C, D/C) Table 1-25.

  • Page 40: Controller Unit Specifications

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.3 Controller Unit Specifications <AcuLaser C900> : VR4305-48MHz 1.3.1 Controller Basic Specifications Enhanced technology : CPGI (supporting monochrome) installed CRIT, RIT <AcuLaser C1900> : Standard:16MB, Maximum:144MB : SPC603ei 300Mhz DIMM Options : SDRAM DIMM dedicated to AcuLaser C1000/...

  • Page 41: Differences In Jumper Settings Between Designated Markets

    Revision B 1.3.2 Differences in Jumper Settings between Designated Markets For AcuLaser C1900 / AcuLaser C900, the following settings are made according to The jumper setting for Network I/F link mode is only valid with C A U T I O N the designated market.

  • Page 42: External I/F Specifications

    <AcuLaser C900> AcuLaser C900 has the following host interfaces as standards: <AcuLaser C1900> IEEE1284 parallel interface AcuLaser C1900 has the following host interfaces as standards: USB interface IEEE1284 parallel interface Optional Type-B I/F 1slot -(Option) USB 1.1 (2.0 FS 12Mbps Certified) NOTE: Switching between host interfaces is automatic only.

  • Page 43: Parallel Interface Specifications

    The CMD items are not in the same order. MODE and STATUS items are not included. In the contents of DES items, MFG and MDL are connected by *4: Indicates the maker and model name EPSON AcuLaser C1900 a space.

  • Page 44: Usb Interface Specifications

    Universal Serial Bus Specification Rev.2.0 FS is supported, at 12 Mbps. 10Base T, 100Base TX, Half Duplex, Full Duplex: auto switching when the power AcuLaser C1900/AcuLaser C900 has an 18-digit serial ID. The ID is printed on the is turned On.

  • Page 45: Type B Interface Specifications

    1.3.3.4 Type B Interface Specifications Compatible Cable : 2-pair STP (10BaseT, 100BaseTX) AcuLaser C1900/AcuLaser C900 has one Type B optional interface slot as standards. In order to conform to FCC Class B, EN55022 Class B and VCCI Class B, a shielded <AcuLaser C1900>...
  • Page 46 EPSON AcuLaser C1900/AcuLaser C900 Revision B Entity Type <If Emulation is set to AUTO> • Refer to the above list. <If Emulation is Fixed> • The Default Emulation Type and EPSONPAGECOLOR1 are returned. <AcuLaser C900> Only Leo2.1 can be used for the Type-B optional interface of AcuLaser C900...

  • Page 47: Control Panel

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.4 Control Panel Table 1-32. Control Panel Description of AcuLaser C1900 Name Note LCD Panel 1 line x 20 characters 1.4.1 External Appearance and Names of Parts Ready LED Color: Green <AcuLaser C1900> Data LED...
  • Page 48 EPSON AcuLaser C1900/AcuLaser C900 Revision B <AcuLaser C900> Meaning of LED Flashing Table 1-34. Meaning of LED Flashing on AcuLaser C900 Ready LED Error LED Supplement Meaning Power off Controller fatal errors • Video error • Data expansion error • EEPROM access error •...

  • Page 49: List Of Panel Settings (Only With Aculaser C1900)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.4.2 List of Panel Settings (Only with AcuLaser C1900) Table 1-35. Function Setting (1) (continued) Menu Item Value This printer's setting item list is shown below. Tray Menu MP Tray Size , A5, B5, LT , HLT, GLT, EXE, MON, Values shown in bold and underlined characters are the factory default setting values.
  • Page 50 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 1-36. Function Setting (2) (continued) Table 1-36. Function Setting (2) Menu Item Value Menu Item Value Setup Menu Copies 1 - 999 Emulation Menu Parallel Auto, LJ4, ESCP2, FX, I239X, PS3 , GL2...
  • Page 51 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 1-37. Function Setting (3) Note *1: Not displayed when nothing is registered in Verify Job, Re-print Job, and Stored Job Menu Item Value *2: Displayed only when Quick Print Job menu → User=<User name> is selected...
  • Page 52 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 1-38. Function Setting (4) Note *1: The value is reflected immediately on the Status sheet and EJL read-back, but changed practically after a warm boot or restarting of the printer. Menu Item Value *2: After the printer moves to “On Line”, The value is automatically updated to No.
  • Page 53 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 1-39. Function Setting (5) (continued) Table 1-39. Function Setting (5) Menu Item Value Menu Item Value GL2 Menu GLMode LJ4GL2, Gllike LJ4 Menu FontSource Resident, Download , ROM A Scale Off, A0, A1, A2, A3...
  • Page 54 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 1-40. Function Setting (6) (continued) Table 1-40. Function Setting (6) Menu Item Value Menu Item Value FX Menu Country USA, France, Germany, UK, Denmark, Sweden, Italy, PS3 Menu Error Sheet Off, On Spain1, Japan, Norway, Denmark2, Spain2, Coloration Color, Mono, TrueCol.
  • Page 55 EPSON AcuLaser C1900/AcuLaser C900 Revision B A list of user setting items which are not included in the setup menu are shown below. Table 1-41. Function Setting (7) Depending on the panel initialization menu, these are not cleared when the settings are...

  • Page 56: Explanation Of Each Setting Menu And Items (Only With Aculaser C1900)

    C H E C K convert into the remaining amount on the controller side because P O I N T The followings describe the items which are specified only for AcuLaser C1900. the Photoconductor information received from the engine is a use rate.
  • Page 57 Sleep Mode Consider enough when this function is used because it is possible to rise the In the model after AcuLaser C1900, the name is changed from Standby Mode fuser temperature at 100 degree. Pressing the Enter button triggers a warm to Sleep Mode.

  • Page 58: Special Operations (Only With Aculaser C1900)

    List of Operating Functions Printing of the Error sheet Press the Enter button after resetting the CPU when a The special service operations supported by AcuLaser C1900 are shown below. Service Call error occurs Forcible AIDC Remove all papers from all input trays and open the cover...

  • Page 59: Printer Setting Items (Only With Aculaser C900)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.4.5 Printer Setting Items (Only with AcuLaser C900) Paper Source Priority Set a priority order when Auto Selection is selected by the paper source setting and This section describes setting items for AcuLaser C900.

  • Page 60: Setting Items Which Are Valid Only In The Job And Are Not Stored In Printer

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.4.5.2 Setting Items which are Valid only in the Job and are not Paper Source Stored in Printer Paper feeders are selected by the paper source setting. Actually, however, paper feeders are selected in the following priority order, since Table 1-44.
  • Page 61 EPSON AcuLaser C1900/AcuLaser C900 Revision B Duplex Printing Page Side Select Simplex printing or Duplex printing. In the manual duplex printing mode, this setting determines whether to use the side Permit Duplex printing only when the paper size is A4 or LT. With any other...

  • Page 62: Setting Items Requiring Control By The Printer For Each Printing Or Status Change

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.4.5.3 Setting Items Requiring Control by the Printer for Monochrome Pages Each Printing or Status Change This indicates the total number of printed pages in monochrome only. The total number of printed pages required for the status information etc. is the Table 1-45.
  • Page 63 EPSON AcuLaser C1900/AcuLaser C900 Revision B AIDC value at C 25% AIDC value at K 75% AIDC value at C 25% determined by the last AIDC processing. The value is stored AIDC value at K 75% determined by the last AIDC processing. The value is stored when AIDC processes.

  • Page 64: Settings Controlled By The Mechanical Controller, But Requiring Reading Out And Changing The Values

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.4.5.4 Settings controlled by the mechanical controller, but Table 1-46. Setting Item (continued) requiring reading out and changing the values Setting Item Outline of the operation Capacity of Y Toner Changing a setting value (1.5k, 4.5k), read-only Table 1-46.

  • Page 65: Settings Specified Regardless Of Job And Not Stored In The Printer

    EPSON AcuLaser C1900/AcuLaser C900 Revision B Envelope second transfer voltage adjustment Adjust the second transfer voltage determined by the picture stabilization control on envelopes. Postcard second transfer voltage adjustment Adjust the second transfer voltage determined by the picture stabilization control on postcards.

  • Page 66: Special Setting Operation (Only With Aculaser C900)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.4.6 Special Setting Operation (Only with AcuLaser EEPROM INITIALIZATION C900) Open the “Optional Settings” page of the printer driver. With AL-C900, which is a host-based printer, the special setting as described below can be made via the printer driver.
  • Page 67 EPSON AcuLaser C1900/AcuLaser C900 Revision B On the dialog screen for confirmation, click the “OK” button to execute EEPROM TRANSFER VOLTAGE OFFSET SETTING initialization. Open the “Optional Settings” page of the printer driver. While pressing the [ALT] + [CTRL] + “Z” keys together on the Keyboard, click the “Printer Setting”...
  • Page 68 EPSON AcuLaser C1900/AcuLaser C900 Revision B On the dialog screen for “Transfer Voltage Offset Setting”, select the item requiring setting and make setting. Usually, the transfer voltage is automatically adjusted. However, C A U T I O N you are advised to use the transfer voltage offset setting function...

  • Page 69: Printer Status Checking

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.4.7 Printer Status Checking When options are installed: RAM DIMM : Memory size added to Installed memory and Available The status sheet and engine status sheet can be output to check the settings, conditions memory.
  • Page 70 EPSON AcuLaser C1900/AcuLaser C900 Revision B EPSON EPSON AcuLaser C1900 Color calibration description (Logo) Status Sheet NOTE: This function will be realized in the Utility for Adobe PS3 kit. Information Part Numbers Developer Cartridge Cyan S050099 This indicates G: Increase Graduation, D: Increase Definition, 600: 600 dpi, and C:...
  • Page 71 EPSON AcuLaser C1900/AcuLaser C900 Revision B <AcuLaser C900> An example of the printed status sheet is shown on the next page. The status sheet draws up the printing data at the printer driver side. The information of consumables is shown regarding the consumables where the consumables warning status bit is ON.

  • Page 72: Reserve Job List (Only For Aculaser C1900)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.4.8 Reserve Job List (Only for AcuLaser C1900) 1.4.9 Form Overlay List (Only for AcuLaser C1900) Reserve job list printing. Print the form attribute for up to 200 forms of Form overlay registered on the HDD.

  • Page 73: Network Status Sheet (Only For Aculaser C1900)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.4.10 Network Status Sheet (Only for AcuLaser C1900) Example EPSONAL-C1900 The following page gives an example of the Network Status sheet printout. The Network status sheet is not localized. The Network status sheet describes the current operating status, but does not indicate the setting values.
  • Page 74 EPSON AcuLaser C1900/AcuLaser C900 Revision B HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HH EPSON Network Status Sheet (2/2) HH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH <NetWare(R)> Enable Network Address 00000000:000000000000 Primary Frame Type Ethernet_802.3 Mode Standby Print Server Name (NONE) Polling Interval (NONE) NDS Tree (NONE) NDS Context (NONE) Primary File Server Name...

  • Page 75: Engine Status Sheet

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.4.11 Engine Status Sheet Y Toner Change : The number of Y Toner replacement, which is counted when a new toner cartridge is installed. <AcuLaser C1900> K Toner Change : The number of K Toner replacement, which is counted when a new toner cartridge is installed.
  • Page 76 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 1-49. Information and Methods of Management List (continued) Table 1-49. Information and Methods of Management List Count Count Information Processing Counting Information Processing Counting Range Units Clear Conditions Range Units Clear Conditions Name...
  • Page 77 EPSON AcuLaser C1900/AcuLaser C900 Revision B Engine Status Sheet Total Counts Total Pages 99,999,999 pages Total Planes 99,999,999 planes Color Pages 99,999,999 pages Thick Planes 99,999,999 Planes Thick Color Pages 99,999,999 pages ET Cartridge C Toner 100 %, 16,777,215 images...
  • Page 78 EPSON AcuLaser C1900/AcuLaser C900 Revision B <AcuLaser C900> Engine Status Sheet The engine status sheet can be output by using the dedicated program. For details, refer Total Counts “ Printing the Engine Status Sheet” (p.214). Total Pages 99999999 pages Total Planes...

  • Page 79: Ram Expansion

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.5 RAM Expansion <AcuLaser C900> The following errors or warnings appear in this printer in case of insufficient memory. <AcuLaser C1900> “Print Underrun”, “Mem Overflow”, “Duplex Mem Overflow”, “Image Optimum”, Insufficient memory triggers to display the following errors: “Need Memory”...

  • Page 80: Handling Precautions

    Service call error will occur. With AcuLaser C1900, HDD can also be connected to this printer, but if the power is cut during writing to the HDD, the writing contents can not be guaranteed, so a HDD error may occur.

  • Page 81: Network Environment (Only For Aculaser C900)

    (While printing is possible by sending the print data, the print results are not guaranteed.) NOTE 1: Epson Net Direct Print is necessary for use of LPR or Port 9100 on Windows95/98/ 2: For LPR or Port 9100 on Windows NT4.0/2000, Windows standard LPR or Epson Net Direct Print can be used.

  • Page 82: Host Requirements (Only For Aculaser C900)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.8 Host Requirements (Only for AcuLaser C900) 1.9 AIDC Control Windows Conditions for performing the AIDC control When the power is ON or returned from the power saving after printing more Table 1-51. Windows...

  • Page 83: External Appearance And Parts Name

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.10 External Appearance and Parts Name 473 mm 1.10.1 Overall Dimensions 426 mm 469 mm Figure 1-12. Overall Dimensions (with Options installed) Figure 1-11. Overall Dimensions (Main Unit only) Product Description External Appearance and Parts Name...

  • Page 84: Names Of Parts

    Figure 1-16. Names of Parts 4 (with Options installed) USB I/F Connector Power Switch Transfer Belt Unit Waste Toner Box Photoconductor Unit Toner Cartridge MP Tray Figure 1-14. Names of Parts 2 (AcuLaser C1900) Figure 1-17. Names of Consumables Product Description External Appearance and Parts Name...

  • Page 85: Differences In Specifications

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.11 Controller specifications comparison Differences in Specifications Table 1-54. 1.11.1 Differences between AcuLaser C1900 and AcuLaser C1900 AcuLaser C2000 Remark AcuLaser C2000 SPC603ei - 300 M R5000 - 266 M Standard 32 MB 32 MB...

  • Page 86: Differences Between Aculaser C900 And Aculaser C1000

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 1.11.2 Differences between AcuLaser C900 and AcuLaser C1000 AcuLaser C900 is different from AcuLaser C1000 in the following points: Usability The both-way postcard is added to the paper sizes supported (for domestic models). The toner cartridge must be replaced while the printer is powered on.

  • Page 87: Chapter 2 Operating Principles

    C H A P T E R OPERATING PRINCIPLES...

  • Page 88: Mechanism Overview

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.1 Mechanism Overview The following figure is the mechanism sectional drawing that helps you understand the basic mechanism of AcuLaser C1900 / AcuLaser C900. Table 2-1. Major Components Name of Component Toner Cartridge Rack...

  • Page 89: Locations Of Electric Parts

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.1.1 Locations of Electric Parts Table 2-2. Electric Parts Symbol Name Symbol Name PC10 Fusing Roller Heater Lamp MP Tray Paper Feed Solenoid PWB-A Pressure Roller Heater Lamp Temperature/Humidity Sensor AIDC Thermistor Power Supply Unit...
  • Page 90 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 2-3. Various Sensors (continued) Table 2-3. Various Sensors Detecting Detecting Unit Detecting method Remark Unit Detecting method Remark matter matter Presence Leaf switch Reflection photo switch Presence Detects chipped gear detecting method • Soft counter from when...
  • Page 91 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 2-3. Various Sensors (continued) Detecting Unit Detecting method Remark matter “Abnormal warm-up” error Presence None occurs when it is not installed When new product installed: New product None Performs counter reset from controller...

  • Page 92: Operation Sequence

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.2 Operation Sequence Full Color Printing on A4 Plain Paper Y color M color C color Bk color Lighting outside the image region development development development development Paper tail end voltage Operating Principles Operation Sequence...

  • Page 93: Image Stabilization Control

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.3 Image Stabilization Control Outline of AIDC control AIDC control as described below is performed to ensure image stabilization. The image stabilization control as described below is performed to stabilize the output Table 2-5. AIDC Control Items images.
  • Page 94 EPSON AcuLaser C1900/AcuLaser C900 Revision B Laser light adjustment control Temperature/humidity sensor Adjusts the quantity of laser light to ensure a constant black and white lines The output voltage is determined from the value calculated by ATVC control and the value reproducibility and a constant amount of toner consumed relative to environmental (environment) detected by the temperature/humidity sensor.

  • Page 95: C900)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.3.1 Execution Conditions for Image Stabilization Control (Only for AcuLaser C900) EXECUTION TIMING FOR IMAGE STABILIZATION CONTROL At turning power on or recovery from sleep mode after printing of 1,000 sheets or more counted from the previous execution of image stabilization control...

  • Page 96: Engine Restrictions

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.3.2 Engine Restrictions FUSER CONTROL Fuser roller modification prevention control TONER DUTY LIMIT VALUE It prevents changing by passage of time. 200% (to prevent from winding around the fuser unit) The intermediate transfer belt rotate 4 times per holding the sleep mode for 14 days.

  • Page 97: Description Of Mechanisms

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4 Description of Mechanisms Face-down Paper Eject 2.4.1 Paper Path Duplex Unit Paper feeding system (Option) 1-way paper feeding system from the MP Tray (200 sheets). OPC Drum NOTE: The 2-way paper feeding system is available by adding the optional 500- sheet Cassette Unit.

  • Page 98: Photoconductor Unit

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.2 Photoconductor Unit Grounding of OPC drum The grounding contact of the OPC drum is located in its rear inside and always in 2.4.2.1 OPC Drum contact with the shaft. When the Photoconductor Unit is installed in the printer...

  • Page 99: Charging Process

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.2.2 Charging Process Charging is carried out by the needle electrode scorotron charger. The OPC drum is charged evenly by the corona discharge from the charger via the Grid Mesh. Ozone generation is suppressed thanks to corona discharge concentration on the side of grid mesh by use of the needle electrode type charger.

  • Page 100: Exposure Process

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.3 Exposure Process Polygon Motor (M3) The laser beam from the print head creates an electrostatic latent image on the OPC drum surface. SUB SCANNING DIRECTION (VERTICAL SCANNING DIRECTION) When the printer receives the PRINT signal, the polygon motor (M3) and the main motor OPC Drum (M1) operate, and paper feeding is started.

  • Page 101: Development Process

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.4 Development Process Toner Cartridge Toner Cartridge Rack 2.4.4.1 Toner Cartridge Rack OPC Drum At printing in individual colors, the Toner Cartridge Rack is turned to locate the relevant one of the toner cartridges for the four colors (Bk, Y, M and C) at the development position.

  • Page 102: Development Position

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.4.2 Development Position Rack Black Position Detection Sensor (PC4) TONER CARTRIDGE RACK STOP POSITION FOR DEVELOPMENT The toner cartridge for each color is stopped at the development position by the operation of the Rack Lock Lever and the Rack Position Detection Sensor (PC4).

  • Page 103: Toner Cartridge

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.4.3 Toner Cartridge OVERVIEW The toner cartridge is constructed as shown in Figure 2-12 at right. Table 2-8. Construction of Toner Cartridge Name Function Toner hopper Toner agitation wing Toner transportation roller Development roller An amount of toner restricted by the toner restriction blades is applied to this development roller.
  • Page 104 EPSON AcuLaser C1900/AcuLaser C900 Revision B DETECTION OF TONER CARTRIDGE DETECTION OF NEW TONER CARTRIDGE The presence/absence of a toner cartridge is detected with the toner cartridge detection Set a new toner cartridge. sensor (PC8) and reflector. Close the front door. Turn on the main switch.

  • Page 105: Transfer Process

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.5 Transfer Process PRIMARY TRANSFER 2.4.5.1 Transfer Belt Unit The toner image on the OPC drum is transferred onto the transfer belt by applying intermediate transfer bias to the Primary Transfer Roller. OVERVIEW Primary Transfer Roller...

  • Page 106: Secondary Transfer Roller Cleaning

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.5.2 Secondary Transfer Roller Cleaning SECONDARY TRANSFER ROLLER PRESSED / SEPARATED Inverse bias is output to the secondary transfer roller to remove the residual toner on the The secondary transfer roller is pressed and separated by turning on and off of the secondary transfer roller.

  • Page 107: Transfer Belt Cleaner Mechanism

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.5.3 Transfer Belt Cleaner Mechanism TRANSFER BELT CLEANER SEPARATION The transfer belt cleaner is separated by turning on and off of the Cleaner Pressure Flapper TRANSFER BELT CLEANER Solenoid (SL4) which activates rotation of the cam on the printer body.

  • Page 108: Waste Toner Box

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.5.4 Waste Toner Box 2.4.5.5 Waste Toner Box Detection The Waste Toner Box collects waste toner on the transfer belt and the waste toner on the WASTE TONER BOX DETECTION OPC drum. The waste toner on the OPC drum is scraped off the cleaner blade and collected by the Whether the Waste Toner Box is mounted or not is detected by the Waste Toner Box waste toner collection coil.

  • Page 109: Fusing Process

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.6 Fusing Process DRIVE 2.4.6.1 Fuser Unit The fuser mechanism is driven by the main motor (M1). OVERVIEW Main Motor (M1) In this process, the toner transferred to the paper in the transfer process is fused to the paper.

  • Page 110: Fusing Loop Control

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.6.2 Fusing Loop Control To maintain a posture of paper when it is located just before entering the fusing unit as well as to prevent possible image quality defects caused by a rotational speed fluctuation of fusing roller, the following mechanism is built into the ptiner engine.

  • Page 111: Fusing Temperature Control

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.6.3 Fusing Temperature Control FUSING TEMPERATURE CONTROL The fusing roller heater lamp (H1) inside the Fusing Roller and the pressure roller heater FUSING TEMPERATURE CONTROL CIRCUIT lamp (H2) execute temperature control as described below.
  • Page 112 EPSON AcuLaser C1900/AcuLaser C900 Revision B PRINTING TEMPERATURE ADJUSTMENT CONTROL (DURING COLOR PRINTING) The preset temperature for printing is as indicated in Table below: Table 2-11. Printing Temperature Adjustment Control (Color) Thick Paper Plain Paper Transparency Envelope Small Size or Post Card °...

  • Page 113: Paper Feed Mechanism

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.7 Paper Feed Mechanism Manual Paper Feed Solenoid (SL1) 2.4.7.1 MP Tray PAPER FEED OPERATION The MP Tray consists of the paper feed roller, push-up plate and manual paper feed solenoid (SL1). When the manual paper feed solenoid (SL1) is turned on, the cam starts rotating.

  • Page 114: 500-Sheet Cassette Unit (Option)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.7.2 500-sheet Cassette Unit (Option) 2nd Tray Paper Near 2nd Paper Feed Solenoid (SL7 Empty Sensor (PC14 PAPER FEED OPERATION Since the 500-sheet Cassette Unit does not have any drive motor, the driving power to the 500-sheet Cassette Unit for feeding and carrying paper is transmitted from the printer (from M1) via the connecting gear.

  • Page 115: Other Mechanisms

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 2.4.8 Other Mechanisms PAPER LOAD METHOD Table 2-13. 1-sheet Circulation Method 2.4.8.1 Duplex Unit (option) Function DRIVE 1. A sheet of paper is loaded and the image of the 2nd page is printed. The Duplex Unit is driven as follows: the paper after printing on one side is fed into the paper eject tray once and when the tail end of the paper has left the guide behind the paper eject roller, the paper eject roller starts rotating to transport the paper into the Duplex Unit.
  • Page 116 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 2-14. 2-sheet Circulation Method (continued) Table 2-14. 2-sheet Circulation Method Function Function 9. The image of the 1th page is printed on the 1st sheet of 1. The 1st sheet of paper is loaded and the image of the paper.
  • Page 117 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 2-15. 2-sheet Alternation Method (continued) Table 2-15. 2-sheet Alternation Method Function Function 10. The 1st sheet of paper is ejected. 1. The 1st sheet of paper is loaded and the image of the 2nd page is printed.

  • Page 118: Controller Board Operating Principles

    Compression speed enhanced by CDMC DMA transfer of HDD and network data EMI reduced by differential operation of video signals Cost reduced by reduced circuit board area Figure 2-31. C485MAIN Board Block Diagram (AcuLaser C1900) Operating Principles Controller Board Operating Principles...
  • Page 119 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 2-16. Major Elements (continued) CONSTITUTION OF MAIN CONTROL CIRCUIT BOARD Name Location Remarks Main Board Assy: C485 MAIN Expansion Type-B CN406 1 slot. Connected to the HV bus of DIOC. Memory Board Assy: C309 PROG (IPL, Code, Font) For hard disk (option).
  • Page 120 EPSON AcuLaser C1900/AcuLaser C900 Revision B <AcuLaser C900> The following is the C494MAIN board block diagram. PRINCIPAL FEATURES Host-based printer controller using ESC/PageS-Printing System as the language Engine specifications: A4, 4 ppm for color / 16 ppm for monochrome, 600...
  • Page 121 EPSON AcuLaser C1900/AcuLaser C900 Revision B CONSTITUTION OF MAIN CONTROL CIRCUIT BOARD Main Board Assy: C494 MAIN Memory Board Assy: C468 PROG (IPL, Code) SPECIFICATIONS Table 2-17. Major Elements Name Location Remarks IC100 VR4305-80 E05C01BA IC101 Memory control and I/O control integrated...
  • Page 122 C H A P T E R TROUBLESHOOTING...

  • Page 123: Overview

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 3.1 Overview This Chapter describes the items necessary for or to be used in troubleshooting. Troubleshooting Overview...

  • Page 124: Service Call Error Status

    3.2.1 Service Call Error Status Error Error Code Explanation Category C ffff Listed below are service call errors of AcuLaser C1900/AcuLaser C900. 0017 CPU error (Interrupt exception) Engine Related 0088 CPU error (System call exception) Table 3-1. List of Service Call Errors (Engine Related)

  • Page 125: Details Of Service Call Errors And Remedy

    ERROR CODE: Cffff “CONTROLLER ERROR” 1180 Optional ROM module A checksum error 1181 Optional ROM module B checksum error The controller-related errors which can be detected in AcuLaser C1900 are as listed in 1185 Unsupported ROM module Table3-2. 1200 EEPROM write error...
  • Page 126 EPSON AcuLaser C1900/AcuLaser C900 Revision B ERROR CODE: E005 “FLASH ROM PROBLEM” ERROR CODE: E011 “SIROCCO FAN PROBLEM” Detection Timing Detection Timing When an abnormality in contents of flash ROM on the Engine Board (PWB-A) is When the Exhaust Fan Motor (M6) does not operate at turning on the main switch.
  • Page 127 EPSON AcuLaser C1900/AcuLaser C900 Revision B ERROR CODE: E014 “SUCTION FAN PROBLEM” ERROR CODE: E020 “SECONDARY TRANSFER VOLTAGE CONTACT/RELEASE PROBLEM” Detection Timing Detection Timing When the Fuser Cooling Fan Motor (M5) does not operate at turning on the main When pressing or separation of the Secondary Transfer Roller is impossible.
  • Page 128 EPSON AcuLaser C1900/AcuLaser C900 Revision B ERROR CODE: E021 ERROR CODE: E023 “IMAGING RACK ROTATION PROBLEM” “TRANSFER BELT CLEANER CONTACT/RELEASE PROBLEM” Detection Timing Detection Timing When the Toner Cartridge Rack does not turn. When pressing or separation of the Transfer Belt Cleaner is impossible.
  • Page 129 EPSON AcuLaser C1900/AcuLaser C900 Revision B ERROR CODE: E024 ERROR CODE: E026 “FUSER ROLLER TEMPERATURE INCREASE PROBLEM” “FUSER ROLLER HIGH TEMPERATURE PROBLEM” ERROR CODE: E025 “FUSER ROLLER LOW TEMPERATURE PROBLEM” ERROR CODE: E027 “FUSER ROLLER THERMISTOR PROBLEM” Detection Timing Detection Timing When 80°C is not reached in 100 seconds after start of warming up.
  • Page 130 EPSON AcuLaser C1900/AcuLaser C900 Revision B ERROR CODE: E033 “TRANSPARENCY DETECTION SENSOR PROBLEM” ERROR CODE: E998 “ENGINE COMMUNICATION ERROR” Detection Timing Detection Timing Transparency is not detected. Any error has occurred in communication through the video interfere between the Main Board and the Engine Board.

  • Page 131: Printer Status

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 3.2.2 Printer Status Table 3-19. Messages (continued) LED Message Category Status code Refer to The printer status list is shown below. Printer Open Error 4002 p.137 Table 3-19. Messages Cover C Open Error 4037 p.137...
  • Page 132 *2: The appropriate value among those (except Auto) for Paper Source of the Setup Format Error ROM A Warning 2000 p.142 menu as described in “1.4.2 List of Panel Settings (Only with AcuLaser C1900) Form Feed Status 1008 p.134 (p.49)” is displayed.

  • Page 133: Details Of Status Messages And Treatment Method

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 3.2.3 Details of Status Messages and Treatment Method RESET ALL (STATUS CODE: 1004) Description FORMATTING HDD (STATUS CODE: XXXX) The printer is in process of warm booting. Description Treatment method The printer is formatting the HDD.
  • Page 134 EPSON AcuLaser C1900/AcuLaser C900 Revision B PLEASE WAIT (STATUS CODE: 1019) FORM FEED (STATUS CODE: 1008) Description Description After executing Change Toner x, this message appears until the toner cartridge to By accepting the holding down of the Start/Stop button for more than two seconds replace moves to the required position.

  • Page 135: Details Of Error Status And Remedy

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 3.2.4 Details of Error Status and Remedy SLEEP (STATUS CODE: 1007) Description OPTIONAL RAM ERROR (STATUS CODE: XXXX) One of the READY messages. The printer is in a low power consumption mode. Description Upon receiving printing data, the printer becomes ready for printing.
  • Page 136 EPSON AcuLaser C1900/AcuLaser C900 Revision B JAM XXXX (STATUS CODE: 4008, 4009, 4017) Table 3-20. Cover AB Panel Status Code Meaning Jam occurs at the MP Tray. Open the Cover AB and pull down movable Cover DM x = A...
  • Page 137 EPSON AcuLaser C1900/AcuLaser C900 Revision B INSTALL WASTE T BOX (STATUS CODE: 4023) REPLACE WASTE T BOX (STATUS CODE: 4029) Description Description The Waste Toner Box has not been installed. Since the Waste Toner Box Full detector has detected that the Waste Toner Box is full, the printer has stopped printing.
  • Page 138 EPSON AcuLaser C1900/AcuLaser C900 Revision B MANUAL FEED TTT (STATUS CODE: 1013) PAPER OUT SSS TTT (STATUS CODE: 4010) Description Description This error occurs if a printing request takes place when “Manual Feed=On” has This error occurs in either of the following cases: been specified by the command or on the panel.
  • Page 139 EPSON AcuLaser C1900/AcuLaser C900 Revision B PRINT OVERRUN (STATUS CODE: 3000) DUPLEX MEM OVERFLOW (STATUS CODE: 3004) Description Description During printing, if the printing data is so complicated that image processing can Since memory available for printing on the back side is insufficient, the printer not keep pace with the engine operation, the printer ejects the paper on which performs printing on the front side only and ejects the paper, then stops printing.

  • Page 140: Details Of Warning Status And Remedy

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 3.2.5 Details of Warning Status and Remedy INVALID AUX I/F CARD (STATUS CODE: 4014) Description MENUS LOCKED (STATUS CODE: 1001) An I/F card which can not be used with this printer has been installed.
  • Page 141 EPSON AcuLaser C1900/AcuLaser C900 Revision B FORM DATA CANCELED (STATUS CODE: 2570) IMAGE OPTIMUM (STATUS CODE: 2002) Description Description When registration of form data was impossible, this warning appears. The form Because of insufficient memory, printing was not achieved in the designated data is not registered, but discarded.
  • Page 142 EPSON AcuLaser C1900/AcuLaser C900 Revision B FORMAT ERROR ROM A (STATUS CODE: 2000) Description This message is displayed when a ROM module which permits writing but is not formatted has been installed. Treatment method Even when this message is displayed, there is no problem if it is for the first time that the ROM module is subjected to writing.

  • Page 143: Status Display (Aculaser C900)

    Description Refer to 3.3.1 Service Call Error Status 6004 Engine board error p.145 At the occurrence of a service call error, the error code is displayed in “EPSON Printer 6005 Flash ROM error p.145 Window !3”. 6008 Main motor error p.145...
  • Page 144 EPSON AcuLaser C1900/AcuLaser C900 Revision B Controller Related Table 3-3. List of Service Call Errors (Controller Related) (continued) Internal error Table 3-3. List of Service Call Errors (Controller Related) Description code Internal error Description 1010 Verification error code 1020 RAM error (slot 0)

  • Page 145: Details Of Service Call Errors And Remedy

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 3.3.1.1 Details of Service Call Errors and Remedy ERROR CODE: 6005 “FLASH ROM ERROR” For troubles which can occur as service call errors, this section describes the details Detection Timing and remedy of such troubles according to the corresponding respective error codes.
  • Page 146 EPSON AcuLaser C1900/AcuLaser C900 Revision B ERROR CODE: 6011 “EXHAUST FAN MOTOR ERROR” ERROR CODE: 6014 “FUSER COOLING FAN MOT ERROR” Detection Timing Detection Timing When the Exhaust Fan Motor (M6) does not operate at turning on the main switch.
  • Page 147 EPSON AcuLaser C1900/AcuLaser C900 Revision B ERROR CODE: 6020 ERROR CODE: 6021 “TRANSFER BELT CLEANER CLEARANCE ERROR” “SECONDARY TRANSFER ROLLER PRESSING/SEPARATION ERROR” Detection Timing Detection Timing When pressing or separation of the Transfer Belt Cleaner is impossible. When pressing or separation of the Secondary Transfer Roller is impossible.
  • Page 148 EPSON AcuLaser C1900/AcuLaser C900 Revision B ERROR CODE: 6023 “DEVELOPING RACK ROTATION ERROR” ERROR CODE: 6024 “FUSING ROLLER / WARMING UP ERROR” ERROR CODE: 6025 “FUSING ROLLER / LOW TEMPERATURE ERROR” Detection Timing Detection Timing When the Toner Cartridge Rack does not turn.
  • Page 149 EPSON AcuLaser C1900/AcuLaser C900 Revision B ERROR CODE: 6026 “FUSING ROLLER / HIGH TEMPERATURE ERROR” ERROR CODE: 6033 “TRANSPARENCY DETECTION SENSOR ERROR” ERROR CODE: 6027 “FUSING ROLLER / THERMISTOR ERROR” Detection Timing Detection Timing Transparency is not detected. When the Fusing Roller temperature is 220°C or higher for 0.1 second.
  • Page 150 EPSON AcuLaser C1900/AcuLaser C900 Revision B ERROR CODE: 6998 “ENGINE COMMUNICATION ERROR” Detection Timing Any error has occurred in communication through the video interfere between the Main Board and the Engine Board. Solution Electric parts which can cause the trouble: •...

  • Page 151: Printer Status

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 3.3.2 Printer Status Table 3-37. Messages (AcuLaser C900) Message Type Status code Refer to The printer status list is shown below. Only one sheet printed Warning 2013 p.156 Table 3-37. Messages (AcuLaser C900) Printing on incorrect paper size...

  • Page 152: Details Of Status Messages And Treatment Method

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 3.3.3 Details of Status Messages and Treatment Method COOLING DOWN (STATUS CODE: 1016) Description RESETTING PRINTER (STATUS CODE: 1004) The printer engine is cooling down. Description Internal temperature is too high to print transparencies. In this case, the print stops The printer is being reset.

  • Page 153: Details Of Error Status And Remedy

    Installing the consumables correctly and then closing the opened cover clears If wrong paper is loaded, reinsert the appropriate paper and then select [Reprint] in these errors. As a result, the pop-up message of the EPSON Status Monitor the EPSON Status Monitor.
  • Page 154 ENGINE SENSOR DIRTY (STATUS CODE: 4228) Replacing the consumables, and then closing the opened cover clears these errors. As a result, the pop-up message of the EPSON Status Monitor disappears. Description The sensor window for adjusting the printer engine is stained.
  • Page 155 When “Avoid Error = ON” is set, the printer displays the “Print Failure” error Remedy status instead of this error, and resumes printing from the next page. To print pages after the memory error, select [Continue] in the EPSON Status Remedy Monitor.

  • Page 156: Details Of Warning Status And Remedy

    This warning occurs only when a flying start is performed, and since data is resent Remedy (number of copies n - 1) times, this warning status is not displayed in the user To print pages after the memory error, select [Continue] in the EPSON Status interface. Monitor.
  • Page 157 Revision B Remedy INSUFFICIENT PRINTER MEMORY (STATUS CODE: 2003) Clicking the [Close] button closes the pop-up message of the EPSON Status Monitor. However, if an error of higher priority occurs just after that, the display Description changes to the error display. From this point, error handling is applied, and the Printing is performed with a flying start due to the buffer-full status.
  • Page 158 The ResetFlag command of the ESCPAGES-02 protocol also clears the warnings. However, the function to clear the warnings for consumables from the EPSON Status Monitor is not supported. Each consumable can be used until the status changes to replace error, but it is desirable to replace it when these warnings appear.

  • Page 159: Check Points And Remedy For Paper Jam

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 3.4 Check Points and Remedy for Paper Jam 3.4.2 Locations of Jam Detection Sensors When Duplex Unit and 500-sheet Cassette Unit are installed 3.4.1 Initial Checking If any paper jam has occurred, check the initial check items as listed below first. If any Paper Eject Sensor (PC10) problem is found as a result of initial checking, take an appropriate action for solution.

  • Page 160: Jam Detection Timing / Action To Be Taken

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 3.4.3 Jam Detection Timing / Action to be Taken JAM IN SECONDARY TRANSFER AREA Detection Timing JAM IN MANUAL PAPER FEED AREA Table 3-4. Detection Timing Detection Timing Category Explanation Table 3-2. Detection Timing...
  • Page 161 EPSON AcuLaser C1900/AcuLaser C900 Revision B FUSER AREA JAM / PAPER EJECT AREA JAM 500-SHEET CASSETTE UNIT PAPER EJECT AREA Detection Timing Detection Timing Table 3-6. Detection Timing Table 3-8. Detection Timing Category Explanation Category Explanation Paper eject area jam...

  • Page 162: Checking Method For Electric Parts

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 3.4.4 Checking Method for Electric Parts TRANSPORT COMPONENT OF DUPLEX UNIT / INVERSION AND SIDING COMPONENT OF DUPLEX UNIT At occurrence of a paper jam or any other trouble, you can check the relevant electric...
  • Page 163 EPSON AcuLaser C1900/AcuLaser C900 Revision B SOLENOID MOTOR Table 3-16. Checking Method 1 (Motor) Table 3-14. Checking Method (Solenoid) Yes/ Yes/ Step Check Item Solution Step Check Item Solution Is the LOCK signal on Control Board “H” Replace the Control Board...

  • Page 164: Details Of Print Quality Trouble And Remedy

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 3.5 Details of Print Quality Trouble and Remedy Table 3-19. Troubleshooting for Print Quality Problems (continued) Abnormal Image Cause Solution If any print quality problem occurs, replace the toner cartridge and the photoconductor White Out Paper is wet Replace paper.
  • Page 165 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 3-19. Troubleshooting for Print Quality Problems (continued) Abnormal Image Cause Solution Foggy Background Defective developing bias Replace the Engine Board (PWB-A). Defective OPC Drum Replace the Photoconductor Unit. (life has expired) 0951o218 White Line / Black There is scar or damage Replace the Photoconductor Unit.

  • Page 166: Chapter 4 Disassembly And Assembly

    C H A P T E R DISASSEMBLY AND ASSEMBLY...

  • Page 167: Overview

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.1 Overview 4.1.1 Precautions See the precautions given under the heading “WARNING” and “CAUTION” in the This section describes procedures for disassembling the main components of the following column when disassembling or assembling the product.
  • Page 168 EPSON AcuLaser C1900/AcuLaser C900 Revision B Avant de commencer, assurez vous que l’imprimante soit Use only recommended tools for disassembling, assembling or C A U T I O N C A U T I O N eteinte et que le cordon d’alimentation soit debranche.

  • Page 169: Tools

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.1.2 Tools 4.1.3 Screws Use only specified tools to avoid damaging the printer. Table 4-1. Tools Table 4-2. Screws Ref. No. Nominal Name and Specification Appearance Name Commercial Code Size Availability 1305 3×6 Phillips screwdriver No. 1...

  • Page 170: Main Unit Disassembly

    (p200) 4.5.8 Cleaner Pressure Flapper Solenoid (SL4) (p189) 4.5.9 Rack Motor (M2) (p190) Note: The components shown with an underline are Regular Replacement Parts. Flowchart 4-1. Disassembly Flowchart of AcuLaser C1900 / AcuLaser C900 Disassembly and Assembly Main Unit Disassembly...
  • Page 171 EPSON AcuLaser C1900/AcuLaser C900 Revision B Extension Unit 4.6.1 The 2nd Paper Load Roller (p204) 増設ユニ ッ ト 4.6.2 500-sheet Cassette Unit Control Board (PWB-A) (p205) Duplex Unit 4.7.1 Duplex Unit Control 4.7.2 Paper Feed Sensor (p206) Board (PWB-A) (p206) 4.7.3 Reverse Motor / Transfer Motor...

  • Page 172: Before Disassembling The Printer

    4.2.1 Before Disassembling the Printer 4.2.1.1 Toner Cartridge Removal With AcuLaser C1900/AcuLaser C900, removing the toner cartridges must be Be sure to remove the following units before disassembling the printer. generally performed with the printer in the ready-to-print status, since the removal and Waste Toner Box installation of toner cartridges require control by the printer driver.

  • Page 173: Removal Of Other Units

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.2.1.2 Removal of Other Units PHOTOCONDUCTOR UNIT Turn the lock lever upward for unlocking. WASTE TONER BOX Pull out the Photoconductor Unit by holding the end green label area of the unit and Open the front door.
  • Page 174 EPSON AcuLaser C1900/AcuLaser C900 Revision B Open the Right Cover of the printer and remove the two screws securing the Transfer TRANSFER BELT UNIT Belt Unit. Hold the end tab of the Transfer Belt Unit and draw out the Transfer Belt Unit.

  • Page 175: Periodical Replacement Parts Removal

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.3 Periodical Replacement Parts Removal 4.3.2 Fuser Unit Open the Front Cover. 4.3.1 Secondary Transfer Roller Remove the Top Cover. (p.177) Open the Right Door. Open the Right Door. Remove the Transfer Roller while opening the shaft holder (white color) levers found Remove the Fuser Unit Cover.
  • Page 176 EPSON AcuLaser C1900/AcuLaser C900 Revision B Disconnect the connector from the Power Supply Unit and then remove the wires from the code folder. When installing the Fuser Unit Cover, make sure that the black resin roller and gray rubber roller in a pair face each other with their Remove the Fuser Unit from the Printer.

  • Page 177: Cover Removal

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.4 Cover Removal 4.4.1 Upper Front Cover Open the Front Door and the Right Door. Remove the three screws securing the Panel Cover. Disengage the four hooks on the top of the Panel Cover and remove the Panel Cover.

  • Page 178: Front Door

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.4.3 Front Door Remove the Upper Front Cover. (p.177) Remove the Front Door by pulling it off upward. 4.4.4 Rear Cover Loose the screws of the Controller Board Protection Cover and then remove the Protection Cover.

  • Page 179: Left Cover

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.4.6 Left Cover Remove the MP Tray Top Cover and the MP Tray from the printer body. Remove the Upper Front Cover. (p.177) Remove the Top Cover. (p.177) Remove the Left Cover. (3 screws) (See “Figure 4-10 (p.179)”)

  • Page 180: Right Door

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.4.8 Right Door Remove the Front Door. (p.178) Remove the Rear Cover. (p.178) Remove the Front Cover. (p.179) Remove the Right Front Cover and Right Rear Cover. (Securing screws: 1 screw for Right Front Cover and 2 screws for Right Rear Cover) (See “Figure 4-12 (p.180)”)
  • Page 181 EPSON AcuLaser C1900/AcuLaser C900 Revision B Remove the two resin C-rings (white) put on the retaining shaft at its right end. (See “Figure 4-15 (p.181)”) With the Right Door lifted slightly from the completely opened position, disengage from the frame the end of the torsion spring installed on the left end of the door retaining shaft.
  • Page 182 EPSON AcuLaser C1900/AcuLaser C900 Revision B Pull off the retaining shaft toward the right of the printer body and remove the Right Door. Figure 4-17. Right Door Removal 4 For installing the Right Door, follow the following procedure for easy work.

  • Page 183: Printer Main Parts Disassembly And Assembly

    Shift the Main Board in the lateral direction to disengage it from the connection to the Engine Board, and take out the Main Board. (AcuLaser C1900: 10 screws, AcuLaser C900: 9 screws) (See “Figure 4-18 (p.183)”) Figure 4-18. Main Board Removal...

  • Page 184: Engine Board (Pwb-A)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.2 Engine Board (PWB-A) When replacing the Engine Board on the repair site, never forget to C A U T I O N remove EEPROM (IC3) from the IC socket (PJ28) on the old board Remove the Main Board (C485MAIN/C494MAIN).

  • Page 185: Exhaust Fan Motor (M6)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.3 Exhaust Fan Motor (M6) Remove the Upper Front Cover. (p.177) Remove the Top Cover. (p.177) Remove the Rear Cover. (p.178) Disconnect the connector (PJ6) of the PWB-A Board and then remove the wires from the code folder.

  • Page 186: Power Supply Unit (Pu)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.5 Power Supply Unit (PU) Remove the Upper Front Cover. (p.177) Remove the Top Cover. (p.177) Remove the Left Cover. (p.179) Remove the Protection Cover. (3 screws) (See “Figure 4-22 (p.186)”) Remove the wires from the code folder.

  • Page 187: Aidc Sensor

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.6 AIDC Sensor Remove the Upper Front Cover. (p.177) Remove the Top Cover. (p.177) Remove the Left Cover. (p.179) Remove the Power Supply Unit (PU). (p.186) Remove the AIDC Sensor. (1 screw) (See “Figure 4-24 (p.187)”) Figure 4-24.

  • Page 188: High Voltage Unit (Hv)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.7 High Voltage Unit (HV) Remove the Left Cover. (p.179) Remove the Rear Cover. (p.178) Remove the Upper Rear Cover. (p.178) Remove the Engine Board (PWB-A). (p.184) Remove the Power Supply Fan Motor (M4). (p.185) Remove the Controller Box.

  • Page 189: Cleaner Pressure Flapper Solenoid (Sl4)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.8 Cleaner Pressure Flapper Solenoid (SL4) When installing the Cleaner Pressure Flapper Solenoid, adjust the Remove the Upper Front Cover. (p.177) following positions: Remove the Top Cover. (p.177) Position of the cam inside the frame Position of the solenoid claw Remove the Rear Cover.

  • Page 190: Rack Motor (M2)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.9 Rack Motor (M2) Remove the Cleaner Pressure Flapper Solenoid (SL4). (p.189) Remove the cam inside the printer body (1 E-ring) and remove the Rack Drive Assy. (5 screws, 2 sets of harness) (See “Figure 4-29 (p.190)”) Remove the shaft of the Rack Clutch and remove the Drive Gear.

  • Page 191: Main Motor Ass'y

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.10 Main Motor Ass’y Remove the Rear Cover. (p.178) Remove the Engine Board (PWB-A). (p.184) Remove the Controller Box. (See “Figure 4-25 (p.188)”) Remove the wires from the code folder and then remove the Ass'y Cover. (2 screws) (See “Figure 4-32 (p.191)”)

  • Page 192: Multi Purpose Tray

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.11 Multi Purpose Tray Remove the Upper Front Cover. (p.177) Remove the Top Cover. (p.177) Remove the Front Door. (p.178) Remove the Left Cover. (p.179) Remove the Switch Box. (2 screws) (See “Figure 4-35 (p.192)”)

  • Page 193: Paper Empty Sensor

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.12 Paper Empty Sensor Remove the Upper Front Cover. (p.177) Remove the Top Cover. (p.177) Remove the Front Door. (p.178) Remove the Left Cover. (p.179) Remove the Multi Purpose Tray. (p.192) Remove the Try Bottom Cover by using a mini-screw driver. (2 screws) (See “Figure 4-37 (p.193)”)

  • Page 194: Fuser Unit Removal

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.13 Fuser Unit Removal Follow the following procedures when the following parts being within C H E C K P O I N T the Fuser Unit are replaced by an individual part due to an image error or a part defect.
  • Page 195 EPSON AcuLaser C1900/AcuLaser C900 Revision B Remove the Release Lever, the Fusing Front Guide Plate and the Fusing Rear Guide Plate. (2 screws) (See “Figure 4-41 (p.195)”) Remove the Thermistor (TH1) and the Thermostat (TS1). (3 screws) (See “Figure 4-42 (p.195)”) Remove the Fusing Roller and Pressure Roller.

  • Page 196: Fusing Cooling Fan Motor (M5)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.14 Fusing Cooling Fan Motor (M5) Remove the Rear Cover. (p.178) Disconnect the connectors (PJ16, PJ17, PJ29) from the PWB-A board and then remove the wires from the code folder. Remove the Right Door. (p.180) Remove the Right Door Cover.

  • Page 197: Paper Load Roller

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.15 Paper Load Roller Open the Right Door, remove the one screw and remove the strap from the door. Release the right and left shafts and remove the guide. Remove the tab and pull off the Paper Load Roller from the shaft.

  • Page 198: Printer Head Unit (Ph)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.17 Printer Head Unit (PH) Remove the Upper Front Cover. (p.177) Remove the Top Cover. (p.177) Remove the Rear Cover. (p.178) Remove the Right Door. (p.180) Remove the Front Cover. (p.179) Remove the Laser Lens Cover. (1 screw) (See “Figure 4-49 (p.198)”)
  • Page 199 EPSON AcuLaser C1900/AcuLaser C900 Revision B Remove the Print Head Cover. (2 screws) (See “Figure 4-51 (p.199)”) Disconnect the following harness from the connectors on the following circuit boards: Engine Board PJ23, PJ24 Main Board CN801 10. Remove the Print Head (PH). (3 screws) (See “Figure 4-52 (p.199)”)

  • Page 200: Manual Paper Feed Solenoid (Sl1)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.18 Manual Paper Feed Solenoid (SL1) Remove the Upper Front Cover. (p.177) Remove the Top Cover. (p.177) Remove the Rear Cover. (p.178) Remove the Left Cover. (p.179) Remove the Right Door. (p.180) Remove the Front Cover. (p.179) Remove the High Voltage Unit (HV).

  • Page 201: Fuser Deceleration Drive Assy

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.19 Fuser Deceleration Drive Assy Remove the Rear Cover. (p.178) Remove the Engine Board (PWB-A). (p.184) Remove the Controller Box. (p188) Release the wiring from the cord holder and remove the Assy Cover. (2 screws) (p191) Remove the Fuser Loop Flapper Solenoid (SL6).

  • Page 202: Rack

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.5.20 Rack Remove the High Voltage Unit (HV). (p.188) Remove the HV Contact Assy. (3 screws) (See “Figure 4-57 (p.202)”) While supporting it with your hand, rotate the Rack to a position where you can see through the cut area of the frame the screw securing a toner cartridge mounting frame on the Rack.
  • Page 203 EPSON AcuLaser C1900/AcuLaser C900 Revision B Remember that the Rack and the Toner Cartridge Mounting Frame can be installed in only one proper orientation, that is, can not be installed in a wrong orientation. Figure 4-60. Removing the Rack Disassembly and Assembly...

  • Page 204: Extension Unit Disassembly And Assembly

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.6 Extension Unit Disassembly and Assembly 4.6.1 The 2nd Paper Load Roller Separate the 500-sheet Cassette Unit from the printer body. Remove the Paper Load Roller as shown in Fig. 4-60. Lift the knob of the Paper Load Roller up.

  • Page 205: 500-Sheet Cassette Unit Control Board (Pwb-A)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.6.2 500-sheet Cassette Unit Control Board (PWB-A) Disconnect the connector and take out the 500-sheet Cassette Unit Control Board Assy. (3 screws) (See “Figure 4-62 (p.205)”) Remove the cover. (1 screw) (See “Figure 4-63 (p.205)”) Remove the 500-sheet Cassette Unit Control Board.

  • Page 206: Duplex Unit Disassembly And Assembly

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.7 Duplex Unit Disassembly and Assembly 4.7.1 Duplex Unit Control Board (PWB-A) Separate the Duplex Unit from the Printer. Remove the Board Protection Cover. (2 screws) (See “Figure 4-64 (p.206)”) Remove the Duplex Unit Control Board. (1 screw, 3 connectors) (See “Figure 4-65 (p.206)”)

  • Page 207: Reverse Motor / Transfer Motor

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 4.7.3 Reverse Motor / Transfer Motor Separate the Duplex Unit from the Printer. Remove the Board Protection Cover. Disconnect the connector (PJ1) from the Duplex Unit Control Board (PWB-A). Remove the cover of the Duplex Unit (1 screw) and then remove the wires from the code folder.
  • Page 208 C H A P T E R ADJUSTMENT...

  • Page 209: Overview

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 5.1 Overview This section describes the adjustments required according to service components once they have been replaced and also describes procedures for such adjustments. Adjustment Overview...

  • Page 210: Usb Id Input

    5.2.1 Installation Procedure for Program Copy the adjustment program file onto the desktop or into a folder. AcuLaser C1900/AcuLaser C900 comes with the USB interface as standard, and the PC connected to the AcuLaser C8600 via the USB interface identifies the printer by 5.2.2 Procedure for Program Operation...

  • Page 211: Usb Id Confirmation

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 5.2.3 USB ID Confirmation Once you have input a new USB ID, never forget to confirm it on C A U T I O N the status sheet. Execute the program which was used to write the USB ID, and select the model name.

  • Page 212: Service Utility (Aculaser C900)

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 5.3 Service Utility (AcuLaser C900) Once you execute printing the engine status sheet by “Engine C A U T I O N 5.3.1 Overview Status Sheet” (p.214) with network connected, communication with the printer will be disabled. In such a case, turn off the power This service utility, designed for exclusive use with AcuLaser C900 must be used to to the printer once and then turn it on again.

  • Page 213: How To Use The Service Utility

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 5.3.2 How to Use the Service Utility After the [OK] button is clicked, the PC checks for connection to the selected printer. If the PC has failed in connection to the selected printer, the screen will display the error This section describes how to use this service utility.
  • Page 214 EPSON AcuLaser C1900/AcuLaser C900 Revision B Upon confirming the connection to the selected printer, the PC will display the menu screen as shown below and the service utility will be ready for execution of each function. To terminate the service utility, click the [Close] button.

  • Page 215: Functions

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 5.3.3 Operation 5.3.2.2 Functions This service utility can execute the following functions: 5.3.3.1 Engine Status Sheet “Printer” information Click the [Status Sheet] button to print the engine status sheet. Name of the printer connected (“AcuLaser C900”) “Communication Mode”...

  • Page 216: Usb Id

    Any value which does not contain these characters at the correct positions will be invalid and will not be written. 1st/2nd position: AcuLaser C1900 “16” AcuLaser C900 “17” 3rd position: “P” 18th position: “0”...
  • Page 217 C H A P T E R MAINTENANCE...

  • Page 218: Maintenance

    This chapter explains the maintenance of AcuLaser C1900 / AcuLaser C900. The the dirt is not easy to remove, use a neutral detergent. Vacuum the dust and paper strips maintenance of AcuLaser C1900 / AcuLaser C900 is designed for users to do inside the printer.

  • Page 219: Chapter 7 Appendix

    C H A P T E R APPENDIX...

  • Page 220: Schematic Wiring Diagram

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 7.1 Schematic Wiring Diagram Fuser Loop Flapper Solenoid Appendix Schematic Wiring Diagram...

  • Page 221: Connectors And Jumpers On Circuit Boards

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 7.2 Connectors and Jumpers on Circuit Boards C485MAIN BOARD Table 7-1. C485MAIN Board -- Connectors Connector Function CN200 SDRAM-DIMM slot (S0) - Standard memory module installed CN201 SDRAM-DIMM slot (S1) - Expansion slot CN300...
  • Page 222 EPSON AcuLaser C1900/AcuLaser C900 Revision B C494MAIN BOARD Table 7-3. C494MAIN Board -- Connectors Connector Function CN401 IEEE1284 parallel interface (Compatibility, Nibble, ECP) CN402 USB I/F(USB 1.1) CN405 Parallel I/F connector CN406 Type-B I/F (Level 2 supported) CN200 SDRAM-DIMM socket...
  • Page 223 EPSON AcuLaser C1900/AcuLaser C900 Revision B ENGINE BOARD (PWB-A) Table 7-5. Engine Board (PWB-A) -- Connectors Function Connector Connector for connection to Main Board (C494MAIN) Connector for connection to Power Supply Board (LVPS) Connector for connection to Power Supply Board (LVPS) ⇒...
  • Page 224 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 7-5. Engine Board (PWB-A) -- Connectors (continued) Function Connector PJ19 Connector for connection to Optional Cassette Unit ⇒ Detection of Intermediate Transfer Belt Unit (PWB-G) PJ20 ⇒ Belt Location Detection Sensor (PC5) Harness for connection to detection terminals for presence of...
  • Page 225 C 485-C AS E -001 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 3547 3726 3541 3726 3544 3544 8301 2706 3544 3727 1399 3541 3541 3501 3541...
  • Page 226 C 485-E LE C -001 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 3504 2101 2518 3544 F OR E P S ON AcuLaser C 1900 NO.01-2 R ev.01 C 485...
  • Page 227 C 485-ME C H-001 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 3726 3501 3501 3727 3727 3504 3727 3727 9301 3501 3548 P C 11 3727 3727 P C 12...
  • Page 228 C 485-ME C H-002 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . C R U 3504 3501 P C 4 3501 3501 3504 3504 3501 3501 F OR E P S ON AcuLaser C 1900 NO.03 R ev.01 C 485...
  • Page 229 C 485-ME C H-003 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 3501 3501 9302 9107 9302 3501 0508 0508 3501 9107 S L6 9302 3501 9302 1308...
  • Page 230 C 485-ME C H-004 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 9107 3501 3501 3501 9107 3501 3501 3932 9302 9107 3727 9302 3727 3504 3501 3727...
  • Page 231 C 485-ME C H-005 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 3504 3501 3501 P WB -A 1305 3727 3501 3504 AIDC 3501 3501 P C 8 3501 3501...
  • Page 232 C 485-ME C H-006 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 1305 3501 3501 P C 10 1308 1308 9107 9107 3727 3504 1308 T H1 1308 1308...
  • Page 233 C 485-ME C H-007 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . P /H 3501 1305 3501 3501 3504 3501 3734 3501 3501 3504 3930 3501 3501 1308...
  • Page 234 C 485-ME C H-008 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 9107 1305 0509 3727 9107 9107 3727 3727 S L5 3931 9302 3727 0509 S L3 P C 3B...
  • Page 235 C 485-ME C H-009 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . S L1 3501 9107 3727 3727 3727 3547 9302 3727 9107 HS 1 9303 3547 3727...
  • Page 236 T he parts to which no reference number C 485-T OOL-001 is as s igned will not be available as after-s ale s ervice parts . F OR E P S ON AcuLaser C 1900 NO.11 R ev.01 C 485...
  • Page 237 C 494-C AS E -001 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 3547 3726 3541 3726 3544 3544 8301 2706 3544 3727 1399 3541 3541 3501 3541...
  • Page 238 C 494-E LE C -001 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 3504 2101 2518 3544 F OR LP -1500C /E P S ON AcuLaser C 900 NO.01-2 R ev.01 C 494...
  • Page 239 C 494-ME C H-001 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 3726 3501 3501 3727 3727 3504 3727 3727 9301 3501 3548 P C 11 3727 3727 P C 12...
  • Page 240 C 494-ME C H-002 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . C R U 3504 3501 P C 4 3501 3501 3504 3504 3501 3501 F OR LP -1500C /E P S ON AcuLaser C 900 NO.03 R ev.01 C 494...
  • Page 241 C 494-ME C H-003 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 3501 3501 9302 9107 9302 3501 0508 0508 3501 9107 S L6 9302 3501 9302 1308...
  • Page 242 C 494-ME C H-004 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 9107 3501 3501 3501 9107 3501 3501 3932 9302 9107 3727 9302 3727 3504 3501 3727...
  • Page 243 C 494-ME C H-005 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 3504 3501 3501 P WB -A 1305 3727 3501 3504 AIDC 3501 3501 P C 8 3501 3501...
  • Page 244 C 494-ME C H-006 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 1305 3501 3501 P C 10 1308 1308 9107 9107 3727 3504 1308 T H1 1308 1308...
  • Page 245 C 494-ME C H-007 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . P /H 3501 1305 3501 3501 3504 3501 3734 3501 3501 3504 3930 3501 3501 1308...
  • Page 246 C 494-ME C H-008 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . 9107 1305 0509 3727 9107 9107 3727 3727 S L5 3931 9302 3727 0509 S L3 P C 3B...
  • Page 247 C 494-ME C H-009 T he parts to which no reference number is as s igned will not be available as after-s ale s ervice parts . S L1 3501 9107 3727 3727 3727 3547 9302 3727 9107 HS 1 9303 3547 3727...
  • Page 248 T he parts to which no reference number C 494-T OOL-001 is as s igned will not be available as after-s ale s ervice parts . F OR LP -1500C /E P S ON AcuLaser C 900 NO.11 R ev.01 C 494...

  • Page 249: Asp List

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 7.3 ASP List Table 7-6. ASP List for AcuLaser C1900 (continued) Ref No. Part Name This section shows the ASP list of EPSON AcuLaser C1900/AcuLaser C900 3501 TAPPING SCREW 3503 TAPPING SCREW ACULASER C1900...
  • Page 250 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 7-6. ASP List for AcuLaser C1900 (continued) Table 7-6. ASP List for AcuLaser C1900 (continued) Ref No. Part Name Ref No. Part Name 02-09 TORSION SPRING 04-05 DRIVING ASSY 02-10 TORSION SPRING 04-06...
  • Page 251 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 7-6. ASP List for AcuLaser C1900 (continued) Table 7-6. ASP List for AcuLaser C1900 (continued) Ref No. Part Name Ref No. Part Name 04-35 TIMING BELT 05-29 CONTACT 04-36 SOLENOID 05-30 WIRE HARNESS ASSY...
  • Page 252 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 7-6. ASP List for AcuLaser C1900 (continued) Table 7-6. ASP List for AcuLaser C1900 (continued) Ref No. Part Name Ref No. Part Name 07-10 RING 08-17 SOLID STATE SWITCH 07-11 GEAR 09-01 SHOULDER SCREW...
  • Page 253 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 7-6. ASP List for AcuLaser C1900 (continued) Table 7-6. ASP List for AcuLaser C1900 (continued) Ref No. Part Name Ref No. Part Name 10-21 LEVER 11-03 WIRING SADDLE 15.2H 10-22 TENSION SPRING 11-04 EDGE COVER 8.5H...
  • Page 254 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 7-7. ASP List for AcuLaser C900 (continued) ACULASER C900 Ref No. Part Name Table 7-7. ASP List for AcuLaser C900 3501 TAPPING SCREW Ref No. Part Name 3503 TAPPING SCREW 01-01 RIGHT COVER...
  • Page 255 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 7-7. ASP List for AcuLaser C900 (continued) Table 7-7. ASP List for AcuLaser C900 (continued) Ref No. Part Name Ref No. Part Name 02-12 GUIDE PLATE 04-08 WIRE HARNESS ASSY 02-13 BAND 04-09...
  • Page 256 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 7-7. ASP List for AcuLaser C900 (continued) Table 7-7. ASP List for AcuLaser C900 (continued) Ref No. Part Name Ref No. Part Name 05-02 DUCT ASSY 0502 05-03 CONTACT 0508 05-04 DUCT 0509...
  • Page 257 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 7-7. ASP List for AcuLaser C900 (continued) Table 7-7. ASP List for AcuLaser C900 (continued) Ref No. Part Name Ref No. Part Name 07-13 THERMISTOR 09-03 CLEANING PAD 07-14 THERMAL SWITCH 09-04 TORSION SPRING...
  • Page 258 EPSON AcuLaser C1900/AcuLaser C900 Revision B Table 7-7. ASP List for AcuLaser C900 (continued) Table 7-7. ASP List for AcuLaser C900 (continued) Ref No. Part Name Ref No. Part Name 10-24 WIRE HARNESS ASSY 11-06 EDGE COVER 10-25 TORSION SPRING 11-07 WIRING SADDLE 6.4H...

  • Page 259: Circuit Diagram

    EPSON AcuLaser C1900/AcuLaser C900 Revision B 7.4 Circuit Diagram The following pages show circuit diagram of the controller. Appendix Circuit Diagram...

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