2-20
Service Manual
24XX-200
4
The previous
suggestions have
not corrected the
problem.
The following may cause undefined or
intermittent failures:
• Loose connector pins that fail to contact.
Check the following:
– Reconnect the connectors of all
FRUs and printer interface cables.
–
Check t
he continuity of the line
cord.
• Electrical noise.
Check the following:
– Power supply ground
– Printer frame ground
–
Printer interface cable is grounded
or shielded
.
• Undefined data in user applications. Check
the baud rate at the controller. Check that
the printer interface cable matches the
printer.
5
Problem occurs
only in specific
user applications.
Perform the Hex Trace Print (hexadecimal
printing) by the following procedure and check
the data streams. Go to
“Hex Trace mode” on
page 3-4
.
• Turn the printer off.
• Press and hold Tractor and turn the printer
on.
• Have the user print the failing job.
• To stop printing, turn the power off.
If the failure still occurs, replace the logic
board. Be sure to reset the bidirectional print
adjustment. See
“Bidirectional print
adjustment” on page 4-4
.
FRU/Symptom
Action
Summary of Contents for 248X-200 series
Page 11: ...xi 24XX 200 ...
Page 56: ...2 38 Service Manual 24XX 200 ...
Page 67: ...Repair information 4 5 24XX 200 Covers removals ...
Page 103: ...Repair information 4 41 24XX 200 Sensors removals ...
Page 111: ...Locations and connectors 5 3 24XX 200 Logic board 9w 24w ...
Page 114: ...5 6 Service Manual 24XX 200 Logic board 9w 24w ...
Page 116: ...5 8 Service Manual 24XX 200 Logic board 9w 24w ...
Page 118: ...5 10 Service Manual 24XX 200 Logic board 9w 24w ...
Page 120: ...5 12 Service Manual 24XX 200 Logic board 9w 24w ...
Page 122: ...5 14 Service Manual 24XX 200 Logic board 9w 24w ...
Page 124: ...5 16 Service Manual 24XX 200 Logic board 9w 24w ...
Page 126: ...5 18 Service Manual 24XX 200 Logic board 9w 24w ...
Page 128: ...5 20 Service Manual 24XX 200 Logic board 9w 24w ...
Page 130: ...5 22 Service Manual 24XX 200 Logic board 9w 24w ...
Page 132: ...5 24 Service Manual 24XX 200 Logic board 9w 24w ...
Page 136: ...5 28 Service Manual 24XX 200 ...
Page 144: ...7 2 Service Manual 24XX 200 Assembly 1 Covers ...
Page 146: ...7 4 Service Manual 24XX 200 Assembly 1 cont Covers ...
Page 148: ...7 6 Service Manual 24XX 200 Assembly 2 Carrier paper feed right side ...
Page 150: ...7 8 Service Manual 24XX 200 Assembly 2 cont Carrier paper feed right side ...
Page 152: ...7 10 Service Manual 24XX 200 Assembly 3 Carrier paper feed left side ...
Page 154: ...7 12 Service Manual 24XX 200 Assembly 3 cont Carrier paper feed left side ...
Page 156: ...7 14 Service Manual 24XX 200 Assembly 4 Electronics ...
Page 158: ...7 16 Service Manual 24XX 200 Assembly 5 ASF Roller support ...
Page 160: ...7 18 Service Manual 24XX 200 Assembly 6 ASF Side frame covers ...
Page 162: ...7 20 Service Manual 24XX 200 Assembly 7 Tractor 2 option ...
Page 164: ...7 22 Service Manual 24XX 200 ...
Page 168: ...I 4 Service Manual 24XX 200 ...