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Confidential
4.3.2 Troubleshooting image defect
Image defect related problems are user recoverable if following the User Check items.
If the same problem occurs again, follow each procedure in the order of the number described
in the Step column in the tables below.
■
Light
■
Faulty registration
■
Dark
<User Check>
- If the whole page is light, ink save mode may be ON. Turn OFF the ink
save mode.
- Adjust density by density adjustment.
- Perform head cleaning.
Step
Cause
Remedy
1
Old ink
Replace the Ink cartridge and clean the head.
2
Ink head failure
Replace the ink head.
3
Power supply PCB failure
Replace the power supply PCB.
4
Engine PCB failure
Replace the engine PCB ASSY.
5
Main PCB failure
Replace the main PCB ASSY.
<User Check>
- Check whether appropriate paper type is selected on
the driver.
Step
Cause
Remedy
1
Wrong write alignment value
"Printing of the test pattern for the
print start position and adjustments" of
"1.4.18 Print adjustment (Function code 68)"
in Chapter 5
2
Dirt on print starting sensor
Wipe the print starting sensor.
<User Check>
- Adjust concentration by concentration adjustment.
Step
Cause
Remedy
1
Ink head PCB failure
Replace the ink head.
2
Engine PCB failure
Replace the engine PCB ASSY.
3
Main PCB failure
Replace the main PCB ASSY.
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Содержание HL-S7000DN Series
Страница 156: ...2 128 Confidential 8 Close the Top cover and the MP cover ASSY Fig 2 16 Top cover MP cover ASSY ...
Страница 176: ...3 8 Confidential 5 LUBRICATION There are no applicable parts ...
Страница 181: ...3 13 Confidential 3 Ink Refill Unit Ink refill unit Hook Clamp Hook Hook Hook Engine PCB ASSY ...
Страница 185: ...3 17 Confidential 8 Buffer Tank ASSY Clamp Clamp Buffer tank ASSY Buffer tank ASSY CN3 CN4 Maintenance drive PCB ASSY ...
Страница 245: ...3 77 Confidential 8 Close the Top cover Fig 3 80 Top cover Front ...
Страница 356: ...4 13 Confidential Print start position adjustment pattern Fig 4 6 A ...
Страница 358: ...4 15 Confidential All patterns Fig 4 7 B C B C A ...
Страница 359: ...4 16 Confidential Fig 4 8 D E D E ...
Страница 360: ...4 17 Confidential Fig 4 9 G F B C B C ...
Страница 417: ...5 29 Confidential Waste ink tray Fig 5 17 Waste ink box full sensor Waste ink box leak sensor Waste ink box sensor ...
Страница 421: ...5 33 Confidential ENGN ALL Fig 5 20 ...
Страница 422: ...5 34 Confidential MAIN TOP Fig 5 21 ...
Страница 423: ...5 35 Confidential MAIN BTM Fig 5 22 ...
Страница 424: ...5 36 Confidential MAIN ALL Fig 5 23 ...