Epson Stylus DX4850 Service Manual

EPSON Stylus CX4100/CX4200/CX4700/CX4800/DX4200/DX4800/DX4850 Revision A
TROUBLESHOOTING Troubleshooting 94
• Power on
•Anywhere
When turning on the power, the SPC
does not operate at all.
PS Board Unit
1. Check if the PS Board Connector Cable is connected to
the CN1 on the Main Board.
1. Connect the PS Board Connector Cable to
CN1 on the Main Board.
2. Check if the PS Board Connector Cable/PS Board is not
damaged.
2. Replace the PS Board Unit with new one.
* If the problem is not solved, replace the
Main Board with new one.
• Operation
•–
When turning on the power, the
power on sequence is performed
correctly. But, when any printer job
is sent to the SPC, a communication
error is indicated with STM3.
USB Cable
1. Check if the USB Cable is connected between the SPC
and the PC.
1. Connect the USB Cable to the SPC and the
PC.
Main Board Unit
1. Check if an incorrect model name is not stored into the
address of the EEPROM on the Main Board.
1. Use the Adjustment Program to write the
correct value to the EEPROM address.
2. Check if the Panel FFC is connected to the CN12 on the
Main Board.
2. Connect the Panel FFC to the CN12 on the
Main Board.
Table 3-7. Check point for the communication error according to each phenomenon
Occurrence
timing
CR position
Detailed phenomenon
Defective
unit/part name
Check point Remedy
CN1
Main Board
PS Board Connector Cable
PS Board Unit
CN12
Main Board
Panel FFC

Epson Stylus DX4850 Specifications

General

Brand	Epson
Model	Stylus DX4850
Category	Printer
Language	English