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Diagnostic Information 2-7
4085-001
934 Black Printhead -
Color Printheads -
Both Printheads -
TSR measurement indicates a
cracked / open TSR or open
connection. The debug data
identifies the TSR that is open.
Check the carrier/
printhead contacts. Try
replacing both printheads
before replacing carrier.
Check the carrier cable. If
cable is OK, replace
carrier. See “Carrier/Cable
Retainer Removal” on
page 4-48 . If problem
remains, replace engine
board. See “Engine Board
/Cover Removal” on
page 4-14 .
935 Black Printhead -
Color Printheads -
Both Printheads -
Failure measuring a TSR value.
The debug data identifies the
TSR being measured and the
type of failure: value too low, or
value too high.
Try replacing the
printheads before
replacing carrier. Check
the carrier cable. If cable is
OK, replace carrier. See
“Carrier/Cable Retainer
Removal” on page 4-48 . If
problem remains, replace
engine board. See
“Engine Board /Cover
Removal” on page 4-14 .
936 Service Printhead System -
Failure zeroing the TSR
measurement system.
Try replacing the
printheads before
replacing carrier. Check
the carrier cable. If cable is
OK, replace carrier. See
“Carrier/Cable Retainer
Removal” on page 4-48 . If
problem remains, replace
engine board. See
“Engine Board /Cover
Removal” on page 4-14 .
938 Printhead Thermal System error Check the printhead
contacts. Overheated.
Replace printhead. See
“Change Printheads” on
page 3-4 . If problem
remains, replace carrier
assembly.
Error Symptom Action