Remedies For Fatal Error - Epson Stylus Color C70 Service Manual

EPSON Stylus COLOR C70/C80
NOTE: During the Step 2, if the Load/Eject button is pressed, the Maintenance
Error is not cleared but the EEPROM initialization mode is activated
instead. The EEPROM initialization can be used to recover from
conditions such as the printer does not accept any data from the PC. The
EEPROM initialization mode initializes the following items:
Accumulated power-off time:
Timer IC (Stylus COLOR C80 only):
I/F selection:
Troubleshooting
The value for the Timer IC is reset.
The time during which the power is interrupted
is continually counted until the energy of the
capacitor located in the timer IC is dissipated.
This timer IC is only equipped in the Stylus
COLOR C80, so it does not apply to the Stylus
COLOR C70. Moreover, the Stylus COLOR
C70 has this power interrupt timer as part of
the printer driver functions, and so the printer
driver judges whether timer CL has been
carried out and the level until the power is
turned back on again.
Selects "Auto", the factory default, from 4 I/F
selection items: Auto, Parallel, Serial, and
Option.

3.1.4.5 Remedies for Fatal Error

Fatal errors can occur with this printer for one of the following two reasons.
When the status of the signal from the sensor to the main board indicates that
there is a problem with the carriage motor operation and status.
When the status of the signal from the sensor to the main board indicates that
there is a problem with the paper feed motor operation and status.
A fatal error is basically caused by any of the following conditions:
1. The printer does not detect the carriage in the home position.
2. The printer does not detect signals from the linear scale.
3. 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 1: If the finding for the question is Yes, take the action described in
the right column. If "No", proceed to the next step.
NOTE 2: Once the fatal error occurs, the adjustment program cannnot
communicate with the printer. Therefore, please eliminate a factor
of the fatal error once, and then use the adjustment program if you
want to need.
Overview
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