Diagnostic Information
2-45
4079-00X
Purge Unit Service Check
Symptom Explanation
Conditions That Could Cause This
Symptom
You are here after using
the Head Cap Position
Service Check, or
because you suspect the
purge motor is bad and
you have no ink flow.
• Purge motor
• Purge sensor cable
• Left connector card cable
• Logic board
FRU
Action
1
Purge Motor
Check the purge motor winding resistance. Pin 3 is
ground. Pins 4, 5, 6, and 7 are windings. The black
wire is pin 7. The resistance should be about 70 - 80
Ohms per phase. If it is not, replace the purge motor.
2
Purge Sensor
Cable
Check the continuity of the purge sensor cable (pins
1 and 2 on CNPG on the left connector card)
Replace the cable if needed.
3
• Left Connec-
tor Cable
• Logic Board
Check the continuity of the left connector card cable.
Begin with the black wire on CNMEC on the logic
board and on the left connector card.
If the continuity is correct, replace the logic board. If
you replace the logic board, go to the
position adjustment, and the direction offset adjust-
ment.
Содержание Jetprinter 4079-00 series
Страница 10: ...x Service Manual 4079 00X Chinese Safety Information Korean Safety Information...
Страница 71: ...Diagnostic Aids 3 6 4079 00X Follow this chart to choose the correct print mode...
Страница 99: ...Repair Information 4 22 4079 00X Carriage cable 19 pin Carriage cable 20 pin...
Страница 129: ...Connector Locations 5 2 4079 00X Right Connector Card Left Connector Card...
Страница 130: ...5 3 4079 00X Control Card 4079 001...
Страница 131: ...Connector Locations 5 4 4079 00X Control Card 4079 002 J8 1 1 1 1 J5 J3 J7 J1 J6...
Страница 132: ...5 5 4079 00X Logic Card...
Страница 138: ...7 2 4079 00X Assembly 1 Covers...
Страница 140: ...7 4 4079 00X Assembly 2 Covers Cont...
Страница 142: ...7 6 4079 00X Assembly 3 Inner Cover...
Страница 144: ...7 8 4079 00X Assembly 4 Printer Electronics...
Страница 146: ...7 10 4079 00X Assembly 5 Power Supply and Control Panel...
Страница 148: ...7 12 4079 00X Assembly 6 Carriage and Printhead...
Страница 150: ...7 14 4079 00X Assembly 7 Base...
Страница 152: ...7 16 4079 00X Assembly 8 Purge Unit...
Страница 154: ...7 18 4079 00X Assembly 9 Print Timing Encoder...
Страница 156: ...7 20 4079 00X Assembly 10 Carriage Ink Supply...
Страница 158: ...7 22 4079 00X Assembly 11 Carriage Drive...
Страница 160: ...7 24 4079 00X Assembly 12 Carriage Drive Frame...
Страница 162: ...7 26 4079 00X Assembly 13 Ink Supply Unit...
Страница 164: ...7 28 4079 00X Assembly 14 Ink Return Unit...
Страница 166: ...7 30 4079 00X Assembly 15 Ink Cartridge Interlock...
Страница 168: ...7 32 4079 00X Assembly 16 Sheetfeed Entry...
Страница 170: ...7 34 4079 00X Assembly 17 Sheetfeed Pinch Roller...
Страница 172: ...7 36 4079 00X Assembly 18 Paperfeed Ejector Roller...
Страница 174: ...7 38 4079 00X Assembly 19 Sheetfeed Separation...
Страница 176: ...7 40 4079 00X Assembly 20 Paperfeed Frame...
Страница 178: ...7 42 4079 00X Assembly 21 Tools...
Страница 180: ...7 44 4079 00X Assembly 22 Hard Disk and Options...