Epson SC-T3000, Руководство по обслуживанию

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SC-T7000 series/SC-T5000 series/SC-T3000 series Revision B
TROUBLE SHOOTING Remedies for Print Quality Troubles 59
Confidential
Horizontal or vertical lines look
misaligned.
Adjustment failure of the IM SENSOR ---
Carry out the following adjustments.
†
Auto Bi-D adjustment (Page 242)
†
Ink Mark Sensor check & Auto Adjustment
(Page 238)
IM SENSOR is out of order.
Does the IM SENSOR function normally? Check it using
the Service Program.
Replace the IM SENSOR. (See P.159)
The PRINT HEAD has not been
adjusted properly.
Have the following adjustments been made properly?
†
Head inclination auto adjustment (CR direction)
†
Head slant auto adjustment (PF direction)
Carry out the adjustments correctly.
†
Head inclination adjustment (CR direction)
(Page 253)
†
Head slant adjustment (PF direction) (Page
256)
Improper PG adjustment
1. Is the paper thickness setting correct?
2. Has the PG adjustment been made properly? 1. Correct the paper thickness setting.
2. Perform the PG adjustment.
(Page 245)
Bandings in the paper feeding direction.
The PRINT HEAD has not been
adjusted properly.
---
Carry out the following adjustments.
†
Head inclination adjustment (CR direction)
(Page 253)
†
Head slant adjustment (PF direction) (Page
256)
The paper was not fed properly. ---
Carry out the following adjustment.
†
Media Feed Auto Adjustment
Check the following settings.
†
Feed Adjustment
†
Media Tension
PF SCALE or PF ENCODER failure
1. Is the PF SCALE damaged or contaminated?
2. Is the PF SCALE attached properly?
3. Is the PF ENCODER installed correctly?
1. Clean the PF SCALE.
2. Reinstall the PF SCALE and PF ENCODER.
3. Replace the PF SCALE
(See P.165) and PF
ENCODER (See P.166) .
The tension of the PF TIMING BELT is
not proper.
---
Correct the tension of the PF TIMING BELT.
(Page 262)
PF MOTOR failure --- Replace the PF MOTOR. (See P.163)
Table 2-3. Print Quality Troubles
Symptom Cause Check Item Remedy