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Disassembling Printer Mechanism Printhead

Epson Stylus Dx4000 Remove Printhead

Part Unit that should be removed before removing Printhead Document Cover ASF Cover Support Arm Scanner Unit Middle Case Panel Unit 1. Unlock the Carriage Lock with a flathead screwdriver or a similar tool, and move the CR Unit to the center of the printer. 2. Open the Cartridge Cover and remove all the Ink Cartridges from the CR Unit. 3. Release the FFCs from the tabs. Figure 4-30. Unlocking Carriage Lock and Moving CR Unit to the Center Figure 4-30. Unlocking Carriage Lock and Moving CR Unit...

Main Control Board C Main Board

Epson Stylus Photo R300 Control Panel

The C204 MAIN board is a main controller board. The board contains following ICs There are two types of C204 MAIN board used as after service parts. The following Table shows differences between them. Serial I F Hexagonal-head screw type The C204 DRV board is the driver board specially for the printer mechanism. The printhead, printhead fan, plunger, PF paper feed motor, CR carriage motor, CR fan, PG platen gap motor, and RF ribbon feed motor drive circuits are located on the driver boards....

Epson Artisan 800fw Service Adjustment Program

4.2.6.2 ADF Cover Assy ADF Cover 175 4.2.6.4 ADF Right Cover ADF Rear 176 4.2.6.5 ADF Cover Stacker ADF Document Support Cover 178 4.2.6.7 ADF Document Support 179 4.3 Disassembly reassembly procedures specific to Artisan 700 PX700W TX700W 185 4.3.1.1 Scanner Unit Artisan 185 4.3.1.2 Upper Left Housing Artisan 700 PX700W TX700W 187 4.3.1.3 Upper Housing Artisan 188 4.3.1.4 Rear Left Housing Artisan 190 4.3.1.5 Left Housing Decoration Belt L Artisan 700 PX700W TX700W . 191 4.3.1.6 Rear Right...

Head angular adjustment

Epson Dx4450 Vertical Head

Sample of Head Angular band pattern NG -3 -2 -1 0 12 3 NG Figure 5-1. Head angular adjustment Pattern Printing Find the pattern with least vertical displacement between -3 and 3, and enter the value of that pattern. If the NG on both ends are the ones with least vertical displacement, reassemble replace the Head, and carry out the adjustment again.

Servicing Adjustment Item List TBD

The adjustment items of this product are as follows. This function is used to read the necessary data from the EEPROM of the faulty Main Board and write them to the new Main Board in order to reduce the auxiliary adjustment items at the time of Board replacement. With the old Board installed, use the adjustment program to read out and memorize the EEPROM data, and after exchanging with the new Board, load the memorized data. At the time of Main Board replacement, this adjustment is made to...

Epson Stylus Cx4700 Scanner Repair

Epson Stylus Cx4700 Scanner Repair

Drive of the Scanner Motor is transferred to the Scanner Carriage Unit by the Scanner Timing Belt. The Scanner Carriage Unit slides in the secondary scanning direction. The Scanner Motor uses a stepping motor and drives using open loop control. When the HP detection flag of the Scanner Carriage Unit disrupts the signal of the Scanner HP Sensor, the Scanner HP Sensor outputs a high signal, and the Scanner Carriage Unit is determined to be in the home position. Figure 2-16. Scanner Carriage Unit...

Schema Mainboard Epson Lq 2180

Epson 4300

A.1 CONNECTOR PIN A.2 CIRCUIT A.3 COMPONENT A.4 CONNECTOR JUNCTION BOARD A.5 PART A.6 EXPLODED Figure A-1 illustrates the interconnection of the primary components. Table A-1 summarize the description and sizes of the connectors. gt C204 MAIN CN7 and C204 DRV CN3 boards Table A-3. C204 MAIN Board Connector CN2 Table A-3. C204 MAIN Board Connector CN2 Table A-4. C204 MAIN Board Connector CN3 Table A-6. C204 MAIN Board Connector CN5 Table A-7. C204 MAIN Board Connector CN6 Table A-8. C204 MAIN...

Chapter Troubleshooting

Flowchart Seleksi Siswa Baru

The information in this chapter makes troubleshooting easier to perform by listing various problems that can occur and providing possible solutions. Note For this printer, no special tools are necessary for troubleshooting to the unit level, with the exception of a digital multi-meter. Some component-level troubleshooting may require an oscilloscope. The DFX-8500 indicates errors using beeps. Table 5-1 lists fatal errors. The isolation resistance in the CR...

Platen Gap Adjustment Mechanism

Axial Rotational Adjustment Mechanism

Figure 2-6 shows the platen gap adjustment mechanism. The front and rear carriage guide shafts supporting the carriage have a vertical section. The rotation of the PG motor is transmitted to the rear carriage guide shaft through the gears. Counterclockwise rotation of the motor expands the platen gap and clockwise rotation reduces it. The encoder plate with equally pitched slits is attached coaxially to the motor axis. When the motor rotates, the PC sensor detects it and outputs the pulses....

Removal procedure

Perform the removal procedure Step 1 of Waste Ink Pads Stacker Lock PG Lever Rubber Feet p138 . 2. Follow the instructions below to remove the Waste Ink Tube. 1. Release the Waste Ink Tube from the groove of the Housing, Lower. 2. Pull out the Waste Ink Tube from the Waste Ink Cover. 3. Remove the Waste Ink Tube together with the Tube Clump and the Eject Ink Joint. 3. Remove the Waste Ink Cover and 11 pieces of the Waste Ink Pads from the Housing, Lower. When installing 11 pieces of the...

Circuit Power Block Epson Stylus Dx4400

Scanner Mechanism

Original's top left alignment position 1.2.3 Standalone Copying Specifications Table 1-11. Supported Paper Types and Sizes Table 1-11. Supported Paper Types and Sizes Bright White Inkjet Paper Euro Asia Premium Bright White Paper EAI Premium Ink Jet Plain Paper Euro Asia Glossy Photo Paper Euro, Asia Photo Paper Glossy EAI Premium Glossy Photo Paper Euro Asia Premium Photo Paper Glossy EAI Premium Semigloss Photo Paper Euro Asia Premium Photo Paper Semi-Gloss EAI Ultra Glossy Photo Paper Euro...

Printer Mechanism Operation

Top View Printer Carriage Mechanism

This section describes the Model 3I60 printer mechanism and explains how the printer works. The Model 3I60 printer mechanism features a 18-pin, impact dot printhead for serial printing. The printer mechanism is the main component of the printer and is supported by the other components the power supply and control circuits . Figure 2-1 shows the Model 3I60 printer mechanism. Figure 2-1. M-3I60 Printer Mechanism Figure 2-1. M-3I60 Printer Mechanism The printer mechanism consists of the following...

Servicing Adjustment Item List

The adjustment items of this product are as follows. Install the Head Nozzle surface parallel to the printing surface and set the gap between the paper and the Head Nozzle surface to the specified value. Mechanical adjustment using the thickness gauges. Make a proper adjustment according to the result whether the manually-moved carriage printhead runs over or hits against the gauges placed on the platen. When the main board needs to be replaced, use this to copy adjustment values stored on the...

Cr Home Position R290

Carriage Position Sensor Epson Printer

Power the printer and turn it off forcedly by disconnecting the power cable when the CR Unit is unlocked and moved away from the home position. Turn the EJ Roller gear on the left side of the printer in the direction of the arrow until the carriage is unlocked. Figure 4-8. How to Unlock the Carriage Figure 4-8. How to Unlock the Carriage The flowchart below shows step-by-step disassembly procedures. When disassembling each unit, refer to the page number shown in the figure. Panel Assy Cover...

Troubleshooting for Service Call Errors

If any service call error has occurred, Stylus Pro 7600 9600 inhibits interruption, restores the actuators to their respective initial positions, writes the NVRAM values as a rule, and makes all the LEDs on the panel flash. Occurrence of any error from which the user can not recover the printer. Life expiration of a long-life part which can cause secondary problems if the part is further used. The printer has been brought into malfunction by unexpected operation or by receiving an unexpected...

Disassembly Procedures

This section explains the procedures for disassembling the product. Unless otherwise stated, reassembly should be carried out in the reverse order of the disassembly procedure. For detailed engagement relations among main components, refer to the exploded diagrams in the Appendix. 4.3 Printer Section 4.3.1 Paper Support Assy. Part Unit that should be removed before removing Paper Support Assy. 1. Release the Paper Support Assy. from the guide pins x2 of the Lower Case, and remove the Paper...