Remedies For Fatal Error - Epson Stylus COLOR 880 Service Manual

EPSON Stylus COLOR 880

3.1.1.5 Remedies for Fatal Error

A fatal error is basically caused by any of the following conditions:
-The printer does not detect the carriage in the home position.
-The printer does not detect signals from the linear scale.
-The ASF sensor does not detect the ASF home position.
The following tables show various causes of the error and
corresponding solutions. Be sure to follow the steps correctly to solve
the problems.
NOTE: If the finding the detail phenomenon which fit the defective
printer, take the Check & Action described in the right column. If
"No", proceed to the next step.Remedies for Fatal Error
Table 3-9. Remedies for Fatal Error
Step Detail Phenomenon
1 When the Printer is Check the CR Encorder sensor board visually.
powered on:
• In case the CR Encorder sensor board is not
• The CR unit mounted in the sensor mounting position, mount it
moves in the in the CR mounted position securely.
capping area.(CR
• In case the CR Encorder FFC is disconnected
unit is fixed with
from the connector on the CR Encorder sensor
CR lock lever.)
board, connect it securely.
• The CR unit
moves and strikes
the left frame
because it is not
fixed with the CR
lock.
After that, the Panel
LED indicates the
Fatal Error.
2 Ditto Referring to step 2 in Section 4.2.4.7 and Figure 4-
49, check that the CR liner scale is set between the
sensor parts. Also check that the sensor is free from
dust and paper debris.
Troubleshooting
Check & Actions
CR Encorder Sensor
Overview
Table 3-9. Remedies for Fatal Error (continued)
Step Detail Phenomenon
3 When the Printer is Referring to the figure below, check that the ASF
turned on, the CR sensor is attached to the correct position.
moves a little and it
Check that both connectors 1 and 2 are securely
sounds the ASF
connected.
Hopper moving. After
that, the Panel LED
indicates the Fatal
Error.
4 Ditto Check for the correct voltages at 3-pin connector
shown in the figure below.
Turn the printer on and check the voltage is correct
as follows:
• When the ASF HP Wheel is in the HP, the voltage
is 0 VDC.
• When the ASF HP Wheel is out of the HP, the
voltage raises to 5 VDC.
Revision A
Check & Actions
Main Board
CN 6
Main Board
CN6
65