Confidential
2-74
■ Separated lines over the whole page
■ Overlapping lines at the trailing edge of the recording paper
< User Check >
- Carry out head cleaning.
Step Cause Solution
1 Head inclination is not correctly 
adjusted.
Adjust the head inclination.
(refer to Chapter 4, Section 2.4 "Adjust head 
inclination")
2 Head calibration uncompleted Write the head calibration data. 
(refer to Chapter 5, Section 1.3.2 "Creating of 
Head Calibration Data and Writing it into Flash 
ROM (Maintenance mode 02)")
3 Paper feeding correction not 
updated
Update paper feed correction. 
(refer to Chapter 5, Section 1.3.18 "Updating of 
Paper Feeding Correction Values (Maintenance 
mode 58)")
4 PF encoder disk stained Clean the PF encoder disk and flushing guide.
(refer to "Precautions for Troubleshooting and/or 
Disassembly/Assembly")
5 Non-discharge of ink from 
head
Perform the recommended purge procedures.
(refer to the recommended procedures in 
Chapter 5, Section 1.3.28 "Purge Operation 
(Maintenance mode 76)".
6 PF encoder disk defective Replace the PF encoder disk.
7 Head defective Replace the head/carriage unit.
8 Main PCB defective Replace the main PCB.
< User Check >
- Carry out head cleaning.
Step Cause Solution
1 Paper feeding correction not 
updated
Update paper feed correction. 
(refer to Chapter 5, Section 1.3.18 "Updating of 
Paper Feeding Correction Values (Maintenance 
mode 58)")
2 PF encoder disk stained Clean the PF encoder disk and flushing guide.
(refer to "Precautions for Troubleshooting and/or 
Disassembly/Assembly")
3 PF encoder disk defective Replace the PF encoder disk.
4 Main PCB defective Replace the main PCB.