Epson SC-T7000 series Service Manual page 53

SC-T7000 series/SC-T5000 series/SC-T3000 series
Code Category Error Name
159F ATC Lock error
1900 --- In-process life error
Incorrect RTC data
RTC
1A23
error
1A26 RTC RTC Access T/O error
1A37 --- Thermistor error
Transistor
1A38 Hardware environmental
temperature error
1A39 Hardware Head error
TROUBLE SHOOTING
Table 2-2. Service Call Error
Cause
Connection failure of the ATC MOTOR.
The ATC MOTOR was driven at a speed
abnormally slower than a predetermined one
during operation.
Irregular load
ATC MOTOR encoder failure
ATC MOTOR failure
TBD
The various absolute time settings stored on the
NVRAM are abnormal.
The RTC circuit on the MAIN BOARD
malfunctions.
The HEAD FFC is not connected correctly.
A temperature out of a predetermined range was
detected by the Head thermistor.
Head thermistor failure
Transistor failure
A temperature out of a predetermined range was
detected by the Head thermistor.
Connection failure of the HEAD FFC.
Electric parts or components are damaged due to
improper HEAD FFC connection such as
connecting it at an angle.
The drive circuit in the PRINT HEAD is
damaged.
The fuse of the MAIN BOARD has blown.
Remedies for Service Call Error
Check Item
1. Is there any problems such as damaged cable in the
connections below?
ATC MOTOR to MAIN BOARD (CN15)
2. Does the ATC MOTOR encoder work properly?
Check it using the Service Program.
TBD
Reset the date and time settings of the RTC using the
Service Program.
---
Is the HEAD FFC connected properly without being
connected at an angle and any abnormalities such as
peeled terminals?
---
Is the HEAD FFC connected properly without being
connected at an angle and any abnormalities such as
peeled terminals?
Revision B
Remedy
Replace the ATC MOTOR. (See
P.175)
TBD
If the error still occurs after
resetting the date and time,
perform the followings.
1. Replace the RTC backup
battery.
2. Replace the MAIN BOARD.
(See P.111)
1. Turn the power off and remove
the RTC backup battery.
2. After several seconds, re-attach
the battery and turn the power
back on.
3. Reset the date and time settings
of the RTC using the Service
Program.
1. Replace the HEAD FFC. (See
P.127)
2. Replace the PRINT HEAD.
(See P.126)
Replace the PRINT HEAD. (See
P.126)
1. Replace the HEAD FFC. (See
P.127)
2. Replace the PRINT HEAD.
(See P.126)
3. Replace the MAIN BOARD.
(See P.111)
53
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