Epson SC-T3000, Service Manual

Page: 46 / 314

SC-T7000 series/SC-T5000 series/SC-T3000 series Revision B
TROUBLE SHOOTING Remedies for Service Call Error 46
Confidential
122E PF Velocity deviation error
The PF MOTOR was driven at a speed abnormally
faster than a predetermined one during acceleration
or deceleration.
†
Irregular load
†
PF ENCODER failure
†
PF MOTOR failure
†
SUB BOARD is damaged.
†
PF MOTOR driver failure
Does the PF ENCODER work properly? Check it
using the Service Program.
1. Replace the PF ENCODER.
(See P.166)
2. Replace the PF MOTOR. (See
P.163)
3. Replace the MAIN BOARD.
(See P.111)
122F PF Lock error
The PF MOTOR was driven at a speed abnormally
slower than a predetermined one during operation.
†
PF ENCODER cable disconnection
†
PF MOTOR cable disconnection
†
Irregular load
†
PF ENCODER failure
†
PF MOTOR failure
1. Is there any problems such as damaged cable in the
connections below?
„
PF ENCODER to SUB-B BOARD (CN2)
„
PF MOTOR to SUB-B BOARD (CN1)
2. Does the PF ENCODER work properly? Check it
using the Service Program.
1. Replace the PF ENCODER.
(See P.166)
2. Replace the PF MOTOR. (See
P.163)
131B
---
Head driver
(transmission gate)
overheat error
The temperature of the Head driver rises, and has
reached a predetermined limit.
1. Turn the power off and then back on. Does the
printer recover from the error?
2. Is the FFC connected to the connector properly
without being tilted?
1. Replace the HEAD FFC. (See
P.127)
2. Replace the PRINT HEAD.
(See P.126)
1412 PUMP Pump life error
The number of PUMP CAP UNIT operation has
reached the specified limit. (The rotation of the
pump motor has reached the specified limit.)
---
Replace the PUMP CAP UNIT
(See P.147) , and reset its counter
(See P.231) .
1416 PUMP
Undetermined position
error
PUMP CAP UNIT failure Is the sensor cable connected properly?
Replace the PUMP CAP UNIT
(See P.147) .
1418 PUMP Overcurrent error
†
Connection failure of the pump motor or the
pump motor encoder.
†
The number of occurrences of overcurrent to the
pump motor has reached a predetermined limit.
„
Irregular load
„
pump motor encoder failure
„
pump motor failure
1. Is there any problems such as damaged cable in the
connections below?
„
Pump motor (pump motor encoder) to MAIN
BOARD (CN14)
2. Does the pump motor encoder work properly?
Check it using the Service Program.
Replace the pump motor encoder
and pump motor (PUMP CAP
UNIT).
(See P.147)
1419 PUMP Oscillation error
The control terminal (Vre terminal) of the pump
motor driver has shorted out.
1. Is the pump motor driver on the MAIN BOARD
damaged?
2. Is there any foreign materials around the pump
motor driver?
1. Remove the foreign material.
2. If the error still occurs, replace
the MAIN BOARD. (See
P.111)
Table 2-2. Service Call Error
Code Category Error Name Cause Check Item Remedy