2-46
4079-00X
RAM (Memory) Service Check
Symptom Explanation
Conditions That Could Cause This
Symptom
Data is missing from your
print job, additional data
appears, or error code
960.
• RAM SIMM J5 or J8 (4079-001 only)
• Logic Board (4079-002 only)
FRU
Action
1
SIMM
The printer requires 4 MB of RAM to complete
POST. If error code 960 appears, replace the SIMM
in J8, which should be 4 MB, then continue (4079-
001 only).
If you receive a 960 error with a 4079-002, replace
the controller board which includes the first 4MB of
RAM.
Check the RAM installed in the printer. Go to
troller Diagnostics” on page 3-9
and run the RAM
test. Note the amount of memory reported in your
printer. If the correct amount is not reported for each
SIMM, replace the faulty SIMM. If the correct
amount is reported go to the
Summary of Contents for Jetprinter 4079-00 series
Page 10: ...x Service Manual 4079 00X Chinese Safety Information Korean Safety Information...
Page 71: ...Diagnostic Aids 3 6 4079 00X Follow this chart to choose the correct print mode...
Page 99: ...Repair Information 4 22 4079 00X Carriage cable 19 pin Carriage cable 20 pin...
Page 129: ...Connector Locations 5 2 4079 00X Right Connector Card Left Connector Card...
Page 130: ...5 3 4079 00X Control Card 4079 001...
Page 131: ...Connector Locations 5 4 4079 00X Control Card 4079 002 J8 1 1 1 1 J5 J3 J7 J1 J6...
Page 132: ...5 5 4079 00X Logic Card...
Page 138: ...7 2 4079 00X Assembly 1 Covers...
Page 140: ...7 4 4079 00X Assembly 2 Covers Cont...
Page 142: ...7 6 4079 00X Assembly 3 Inner Cover...
Page 144: ...7 8 4079 00X Assembly 4 Printer Electronics...
Page 146: ...7 10 4079 00X Assembly 5 Power Supply and Control Panel...
Page 148: ...7 12 4079 00X Assembly 6 Carriage and Printhead...
Page 150: ...7 14 4079 00X Assembly 7 Base...
Page 152: ...7 16 4079 00X Assembly 8 Purge Unit...
Page 154: ...7 18 4079 00X Assembly 9 Print Timing Encoder...
Page 156: ...7 20 4079 00X Assembly 10 Carriage Ink Supply...
Page 158: ...7 22 4079 00X Assembly 11 Carriage Drive...
Page 160: ...7 24 4079 00X Assembly 12 Carriage Drive Frame...
Page 162: ...7 26 4079 00X Assembly 13 Ink Supply Unit...
Page 164: ...7 28 4079 00X Assembly 14 Ink Return Unit...
Page 166: ...7 30 4079 00X Assembly 15 Ink Cartridge Interlock...
Page 168: ...7 32 4079 00X Assembly 16 Sheetfeed Entry...
Page 170: ...7 34 4079 00X Assembly 17 Sheetfeed Pinch Roller...
Page 172: ...7 36 4079 00X Assembly 18 Paperfeed Ejector Roller...
Page 174: ...7 38 4079 00X Assembly 19 Sheetfeed Separation...
Page 176: ...7 40 4079 00X Assembly 20 Paperfeed Frame...
Page 178: ...7 42 4079 00X Assembly 21 Tools...
Page 180: ...7 44 4079 00X Assembly 22 Hard Disk and Options...