Epson R2000 Service Manual
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EPSON Stylus Photo R1900/R2880/R2000Revision E Troubleshooting Overview 61 ConfidentialDot missing and mixed colorsAlthough inks are ejected from the Print Head to the Cap, the trouble still occurs after executing a cleaning cycle or replacing the Ink Cartridges.Print Head 1. Run a Nozzle Check, and check the printed pattern if it has broken lines or missing segments.1. After running a Head Cleaning, check the Nozzle Check Pattern again. 2. Check that the Head FFC is securely connected to the Print Head connector and Main Board connectors CN11, CN12, CN13, and CN14.2. Connect the Head FFC to the Print Head connector and Main Board connectors CN11, CN12, CN13, and CN14. 3. Check if the Head FFC is not damaged.3. Replace the Head FFC with a new one. If the trouble still occurs after replacing it, replace the Print Head with a new one. Ink System Unit Cleaner Blade1. Check if the Cleaner Blade is covered with paper dust or is bent. 1. Replace the Ink System Unit with a new one. Main Board 1. Check the Main Board for damages. 1. Replace the Main Board with a new one. Table 3-15. Print Quality Troubles Observed Faults Details of the Fault Faulty Part/ Part Name Check Point Remedy Head FFC Print Head connector Cleaner Blade
EPSON Stylus Photo R1900/R2880/R2000Revision E Troubleshooting Overview 62 ConfidentialHorizontal or vertical banding / Getting smearedAlthough inks are ejected from the Print Head to the Cap, almost nothing is printed or the print gets smeared with excessive ink after executing a cleaning cycle or replacing the Ink Cartridges. Head FFC 1. Check that the Head FFC is securely connected to the Print Head connector and Main Board connectors CN10, CN12, CN13, and CN14.1. Connect the Head FFC to the Print Head connector and Main Board connectors CN10, CN12, CN13, and CN14. Print Head 1. Check if the print quality recovers after running a cleaning or replacing the Ink Cartridges.1. Run the cleaning and replace the Ink Cartridges several times. If the trouble still occurs, replace the Print Head with a new one. Main Board 2. Check the Main Board for damages. 2. Replace the Main Board with a new one. Table 3-15. Print Quality Troubles Observed Faults Details of the Fault Faulty Part/ Part Name Check Point Remedy Head FFC Print Head connector
EPSON Stylus Photo R1900/R2880/R2000Revision E Troubleshooting Overview 63 ConfidentialVertical or horizontal banding / Color shadingThe printout has banding vertical to the CR moving direction and is not evenly colored. * If the trouble still occurs after doing all measures described in the right-hand columns, replace the CR Motor with a new one. Adjustment 1. For printing in the Bi-D mode, check that the Bi-D Adjustment has been performed properly. 1. Perform Bi-D Adjustment to eliminate displacements between the upper and lower lines. Refer to Chapter 5 Adjustment . Print Head 1. Run a Nozzle Check, and check the printed pattern if it has broken lines or missing segments. 1. Perform the Head Cleaning, then check the Nozzle Check Pattern. Refer to Chapter 5 Adjustment . If the trouble still occurs, replace the Print Head with a new one. Carriage Shaft 1. Check the surfaces of the Carriage Shaft for foreign matter. 1. Remove foreign matter from the Carriage Shaft. 2. Check that the Carriage Shaft is fully lubricated with grease. 2. Wipe the grease applied to the Carriage Shaft with a dry, soft cloth, and then apply G-71 grease. Refer to Chapter 6 Maintenance . 3. Check that the Carriage Shaft is mounted horizontally. 3. Reassemble the Carriage Shaft correctly. 4. Check the Carriage Shaft for damages. 4. Replace the Carriage Shaft with a new one. Narrow stripes of the same width appear horizontally to the CR moving direction. * If the trouble still occurs after doing all measures described in the right-hand columns, replace the PF Motor with a new one. Printer Driver and the Paper 1. Check if appropriate paper is used in accordance with the Printer Driver settings. 1. Use the appropriate type of paper in accordance with the Printer Driver. Print Head 1. Run a Nozzle Check, and check the printed pattern if it has broken lines or missing segments. 1. Perform the Head Cleaning, then check the Nozzle Check Pattern. Refer to Chapter 5 Adjustment . If the trouble still occurs, replace the Print Head with a new one. PF Roller Shaft 1. Check the surface of the PF Roller Shaft for foreign matter. 1. Clean the PF Roller surface carefully. 2. Check the PF Roller Shaft for damages. 2. Replace the PF Roller with a new one. Table 3-15. Print Quality Troubles Observed Faults Details of the Fault Faulty Part/ Part Name Check Point Remedy Direction of CR movementDirection of CR movement
EPSON Stylus Photo R1900/R2880/R2000Revision E Troubleshooting Overview 64 ConfidentialVertical or horizontal banding / Color shadingWhen printing at 360 dpi, horizontal banding and color unevenness appears at a constant frequency. Adjustment 1. Check that PF Adjustment has executed properly. 1. Perform PF Adjustment properly. Refer to Chapter 5 Adjustment . 2. Check for Dot missing. 2. Replace the Ink System Unit with a new one. Star Wheel Rollers traces appear in the CR moving direction. Paper EJ Frame Assy. 1. Check that the Star Wheel Units have not come off or the Star Wheel Rollers turns normally. 1. Install the Star Wheel Units to the Paper EJ Frame Assy correctly. Printout is faint or blurry. Printer Driver and the Paper 1. Check that adequate paper is used according to the setting of the Printer Driver. 1. Use the appropriate type of paper in accordance with the Printer Driver. Print Head 1. Using the Adjustment Program, check that the correct Head ID has been written to the EEPROM. 1. Using the Adjustment Program, enter the 29- digit code of the Head ID to the EEPROM. Refer to Chapter 5 Adjustment . The bottom of the printout is not evenly colored. Adjustment 1. Check if the Positioning Adjustment of PF Roller Shaft Retainer has been performed properly. 1. Make adjustments according to the specified adjustment priority. Refer to Chapter 5 Adjustment . Paper EJ Roller traces appear on the printout.Traces of the Paper EJ Roller appear on the printed paper or CDR. Printer Driver and the Paper 1. Check if appropriate paper is used in accordance with the Printer Driver settings. 1. Use the appropriate type of paper in accordance with the Printer Driver. Front and Rear Paper EJ Roller Assys. 1. Check if the Paper EJ Roller is clean or not. 1. Clean the Paper EJ Roller with a soft cloth. Table 3-15. Print Quality Troubles Observed Faults Details of the Fault Faulty Part/ Part Name Check Point Remedy Star Wheel Rollers Star Wheel Units
EPSON Stylus Photo R1900/R2880/R2000Revision E Troubleshooting Overview 65 ConfidentialThe printout is stained with ink.The non-printed side or the bottom of the printout is dirty with ink. Front Paper Guide Pad 1. Check that heaps of ink are not formed on the Front Paper Guide Pad and that the Front Paper Guide Pad is installed securely and evenly in the setting position. 1. If heaps of ink are formed, replace the Front Paper Guide. If it has been confirmed that the Ink pads have risen, reinstall the Front Paper Guide Pad correctly. When the paper size in the sent print data is larger than the size of the fed paper, data are printed on the Front Paper Guide, extending off the paper. PW sensor 1. Check that the PW Sensor FFC is connected. 1. Connect the PW Sensor FFC. 2. Check that the PW Sensor is not faulty. 2. Replace the PW Sensor with a new one. Ink smudges appear on the blank area of the printout. Paper EJ Frame Assy. 1. Check the Star Wheel Rollers for ink stain. 1. Clean the Star Wheel Rollers with a soft cloth. Front Paper Guide 1. Check the Front Paper Guide for ink stain. 1. Clean the Front Paper Guide with a soft cloth. Front Paper Guide Pad 1. Check if ink heaps are formed on the Front Paper Guide Pad. 1. Replace the Front Paper Guide with a new one. Table 3-15. Print Quality Troubles Observed Faults Details of the Fault Faulty Part/ Part Name Check Point Remedy Front Paper Guide Pad Front Paper Guide
EPSON Stylus Photo R1900/R2880/R2000Revision E Troubleshooting Overview 66 ConfidentialThe printout is stained with ink.Ink smudges appear on the blank area of the printout. Front and Rear Paper EJ Roller Assys 1. Check the Front and Rear Paper EJ Roller Assys for ink stain. 1. Clean the Front and Rear Paper EJ Roller Assys with a soft cloth. Driven Roller Shaft 1. Check the Driven Roller Shaft for ink stain. 1. Clean the Driven Roller Shaft with a soft cloth. Ink System Unit 1. Check that wiping operation was performed properly. 1. Install the Cleaner blade correctly or replace it with a new one. Table 3-15. Print Quality Troubles Observed Faults Details of the Fault Faulty Part/ Part Name Check Point Remedy Driven Roller Shaft Rear Paper EJ Roller Assy Front Paper EJ Roller Assy Cleaner Blade
EPSON Stylus Photo R1900/R2880/R2000Revision E Troubleshooting Overview 67 ConfidentialThe printout is stained with ink.Ink smudges appear on the blank area of the printout. PF Roller Shaft 1. Check the PF Roller Shaft for ink stain. 1. Clean the PF Roller Shaft with a soft cloth. The printout is grainy.Images are printed grainy in all print modes. Or the image looks rough. Adjustment Main Board Print Head 1. Check that PG, Bi-D and Head Angular Adjustments have been made properly. 1. Make the adjustments according to the specified adjustment priority. Refer to Chapter 5 Adjustment . 2. Print the adjustment check patterns and check if they are grainy. 2. If the images look still grainy after adjustment, replace the Main Board with a new one. When printed at 5760 dpi, the printed images are poor or grainy. Adjustment Main Board Print Head 1. After making sure that PG, Bi-D and Head Angular Adjustments have been made correctly, check whether PW Sensor has been adjusted properly. 1. Make the adjustment according to the specified adjustment priority. Refer to Chapter 5 Adjustment . 2. Print the adjustment check patterns and check if the printed images are still poor or grainy. 2. If the image quality does not improve after the adjustment, replace the Print Head and Main Board in this order, and check the image graininess. Regarding hue of imagesThe whole image is reddish. Adjustment Print Head 1. Check if the PG has been adjusted properly. 1. Make the adjustment according to the specified adjustment priority. Refer to Chapter 5 Adjustment . 2. Check that Bi-D and Head Angular Adjustments have been made properly. 2. Make the adjustments according to the specified adjustment priority. Refer to Chapter 5 Adjustment . 3. Print the adjustment check patterns and check the image color. 3. If the image color does not change after adjustment, replace the Print Head with a new one. Table 3-15. Print Quality Troubles Observed Faults Details of the Fault Faulty Part/ Part Name Check Point Remedy PF Roller Shaft
EPSON Stylus Photo R1900/R2880/R2000Revision E Troubleshooting Overview 68 ConfidentialBorderless Printing Cannot make a borderless printing (The printer prints with margins despite the borderless setting). PW sensor 1. Check if the paper dust or scrap of the paper is attached to the Front Paper Guide. 1. Remove the paper dust or scrap of the paper. 2. Check that the PW Sensor is operating normally. Print the adjustment check patterns with the Adjustment Program, and check that the clip function is executed normally. (The clip function is executed normally if an about 5mm margin is provided on the left of the first gray band pattern in the patterns.) 2. If it is judged that the clip function is not executed normally, replace the PW sensor with a new one. Refer to Chapter 5 Adjustment . Table 3-15. Print Quality Troubles Observed Faults Details of the Fault Faulty Part/ Part Name Check Point Remedy Table 3-16. Abnormal Noise Occurrence Timing Details of the Fault Faulty Part/ Part Name Check Point Remedy – Printing operation is performed normally but abnormal noise is produced at power-on or during operations.Adjustment 1. Check that PF Belt Tension Adjustment has been executed properly.1. Make the adjustment according to the specified adjustment priority. Refer to Chapter 5 Adjustment . Carriage Shaft 1. Check that the Carriage Shaft is fully lubricated with grease. 1. Wipe the grease applied to the Carriage Shaft with a dry, soft cloth, and then apply grease (G- 71). Refer to Chapter 6 Maintenance .
EPSON Stylus Photo R1900/R2880/R2000Revision EDisassembly And Assembly Overview70 Confidential 4.1 OverviewThis chapter describes procedures for disassembling and assembling this product. Unless otherwise specified, the disassembled units or main components can be reassembled by reversing the disassembling procedure. WARNINGs must be followed to avoid personal injury or death. CAUTIONs must be followed to avoid damaging the printer or test equipment. ADJUSTMENT REQUIRED indicates that specific mandatory adjustments must be carried out to complete the repair. CHECK POINTs emphasize a particularly important process or procedure. REASSEMBLY notes provide helpful tips on reassembly procedures, especially when correct reassembly differs from simple reverse-assembly. When you need to disassemble any units or parts that are not described in this chapter, refer to the exploded diagrams in the Appendix. Before starting your work, always read the precautions described in the next section. 4.1.1 PrecautionsBefore starting the disassembling/reassembling work of this product, always read the following WARNING and CAUTION carefully. Before starting the disassembling/reassembling work of this product, always disconnect the power cable. When the power supply cable must be connected for voltage measurement or like, be extremely careful not to get an electric shock and follow the procedures in this manual to do your work. Wear protective goggles to protect your eyes from ink. If ink gets in your eyes, wash your eyes with clean water and see a doctor. To prevent injury from sharp metal edges, always wear gloves for disassembly and reassembly. If ink has adhered to your skin, wash it with soap and water. If it has caused skin irritation, see a doctor. To protect the microprocessors and circuitry, use static discharge equipment, such as anti-static wrist straps when accessing the internal components. Use only the recommended tools for disassembly, reassembly and adjustment. Refer to Table 4-1 List of Tools . Tighten screws to the specified torques. Use the specified lubricants and adhesives. Refer to Chapter 6 Maintenance. Make the necessary adjustments under the instructions given for disassembling. Refer to Chapter 5 Adjustment. When using compressed air products; such as air duster, for cleaning during repair and maintenance, the use of such products containing flammable gas is prohibited.