2.3 Troubleshooting Without Error Messages VJ628XE-M-00
2.3.3 Printing Problems 41
5 Cannot print at all
A specific color is missing
1. Check power supply voltage (DC42V). Replace Power board .
"3.5.1Replacing Power Board
2. Is CR_FFC obliquely inserted? Reinsert the connectors of CR_FFC.
"3.5.10Replacing MAIN Board
"3.8.4Replacing CR Board
3. CR_FFC may be damaged. Replace CR_FFC.
3.9.3 Replacing CR FFC
4. Are Valve head , Ink tube, and joint screws loose?
Is O-ring properly mounted?
• Install the joint screw and the O-ring
appropriately.
"3.8.2Removing Carriage Cover
"3.2Removing Covers
5. Is Ink tube bent, or does it have scratches or air
leakage?
• Replace Ink tube and see if the cleaning
operation makes the ink flow.
• When ink flow is confirmed, perform initial
ink charge again.
"3.9.4Replacing Ink Tube
"5.5Ink Charging Menu
6. Does the next self-diagnosis function correctly operate
while specific cartridges are securely inserted?
• Ink detection in “ Ink END”
• Cartridge detection in “ Ink NOT”
• Follow the same procedure as when “Ink
NOT” is displayed to take appropriate
measures.
• After adjustment and replacement,
perform Initial ink charge in “Update:
Head Rank” in the self-diagnosis function.
"2.2.2Errors with Message
"5.9.2Parameter Update Menu
7. Is Pump rotating during cleaning operation? • Correctly plug the connectors of Pump
again.
"3.5.10Replacing MAIN Board
3.10.7 Replacing Maintenance
Assy
8. Check the connections of Head FFCs on the CR board
side and the Head side.
• Is Head FFC obliquely inserted?
Correctly plug Head FFC to the connector again.
3.8.15 Replacing Head
"3.8.4Replacing CR Board
9. Valve head may be damaged. Replace it.
"3.8.14Replacing Valve head
Table 2-8 Symptoms, Check Items and Actions for Printing Problems(Continued)
No. Symptom Check item Action Reference
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