Board Component Layout

Figure 7-15. C305MAIN Component Layout The parts to which no reference number is assigned will not be available as after-sale service parts. The following pages show the circuit diagrams for the C305 Main Board. EPSON EPL-N2050 C305MAIN BOARD 2 of 3 EPSON EPL-N2050 C305MAIN BOARD 2 of 3

Assembly Vce

1. Align the PWB ESS with its mount position to the printer. 2. Shifting the PWB ESS toward the front of printer, plug the connector of PWB ESS to the connector P J of PWBA MCU. 3. Secure the PWB ESS to the printer with five screws. 4. Plug the connector P J to the PWB ESS. 5. Plug the connector P J to the PWB ESS. 6. Mount the Cover Assy I F Section 4.2.2 .

PJ Location Table and Map

Use the table and maps in this section to locate the specific P J connectors within the printer. To find the location of a P J 1. Locate the P J connector number in the first column of the table. 2. See the figure number in the second column for the corresponding map. 3. Go to that figure and find the connector. Connects PWBA LVPS and PWBA HKB 5VDC. Connects PWBA LVPS and Fuser Assembly. Connects PWBA MCU PWB and ROS Assembly PWBA LDD . Connects PWBA MCU PWB and ROS Assembly SOS Assembly,...

Cover Assy Top Removal

1. Remove the Cover Assy Front Section 4.2.3 . 2. Remove the Cover Front L H Section 4.2.5 . 4. Remove the Cover Option Section 4.2.6 . 5. Remove the four screws securing the Cover Assy Top to the printer. 6. Raising a little the Cover Assy Top from the printer, unplug the connector P J362 on the back side of Control Assy Panel. 7. Remove the Cover Assy Top from the printer. 8. Remove the Control Assy Panel Section 4.2.8 . NOTE In the following steps, mount the Cover Assy Top while paying...

Service Call Errors Engine Errors

The following table lists the engine-related service call errors produced by this printer.

Troubleshooting by Printer Message

The LCD panel of the control panel unit is used to display various printer status and error conditions. There are three types of messages displayed by the printer Status Message, Error Message, and Warning Message. The following lists the printer messages produced by the printer. 6000 Refer to 1.4.1 Engine Errors. x Error yyy x LC Unit, DM, Multibin, Shifter, yyy 3-digit number x yyy LC Unit 101 DM 201 Multibin 501 Shifter 701 Menus Locked Display Panel Setting Format Error ROM B Display test...