Lexmark X658DFE Service Manual - Page 122

Fuser unit assembly, removal X651, X652, and X658 on, below desired temperature

Page 122 highlights

7462 Error code or message 920.57 920.75 920.76 920.77 920.78 920.79 920.81 920.82 Error contents Fuser warm-up failure Fuser type = 1 Fuser page count has exceeded life. Fuser under temperature Fuser type = 2 Fuser page count has exceeded life. Fuser warm-up failure Fuser type = 2 Fuser page count has exceeded life. Fuser warm-up failure Fuser type = 2 Fuser page count has exceeded life. Fuser warm-up failure Fuser type = 2 Fuser page count has exceeded life. Fuser warm-up failure Fuser type = 2 Fuser page count has exceeded life. Fuser warm-up failure Fuser type = 2 Fuser page count has exceeded life. Fuser warm-up failure Fuser type = 2 Fuser page count has exceeded life. Description/Action The fuser hot roll temperature is not maintained properly while the media in the fuser nip. Fuser does not maintain proper operating temperature within steady state control. The fuser hot roll took too long to heat up after transitioning to new enhanced mode within standby control only. The fuser hot roll fell to far below desired temperature while in standby control. The fuser hot roll is too cool while checking for slope change in standby. The fuser hot roll is too cool when heating to desired temperature after slope change within standby control only. The fuser hot roll temperature does not increase while the lamp is turned on. The fuser hot roll temperature is not maintained properly while the media in the fuser nip. Possible repair actions Replace the fuser unit assembly if problem remains. Go to "Fuser unit assembly removal (X651, X652, X654, X656, and X658)" on page 4-15. Replace the fuser unit assembly if problem remains. Go to "Fuser unit assembly removal (X651, X652, X654, X656, and X658)" on page 4-15. Replace the fuser unit assembly if problem remains. Go to "Fuser unit assembly removal (X651, X652, X654, X656, and X658)" on page 4-15. Replace the fuser unit assembly if problem remains. Go to "Fuser unit assembly removal (X651, X652, X654, X656, and X658)" on page 4-15. Replace the fuser unit assembly if problem remains. Go to "Fuser unit assembly removal (X651, X652, X654, X656, and X658)" on page 4-15. Replace the fuser unit assembly if problem remains. Go to "Fuser unit assembly removal (X651, X652, X654, X656, and X658)" on page 4-15. Replace the fuser unit assembly if problem remains. Go to "Fuser unit assembly removal (X651, X652, X654, X656, and X658)" on page 4-15. Replace the fuser unit assembly if problem remains. Go to "Fuser unit assembly removal (X651, X652, X654, X656, and X658)" on page 4-15. 2-88 Service Manual

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2-88
Service Manual
7462
920.57
Fuser warm-up failure
Fuser type = 1
Fuser page count has
exceeded life.
The fuser hot roll temperature
is not maintained properly
while the media in the fuser
nip.
Replace the fuser unit
assembly if problem remains.
Go to
“Fuser unit assembly
removal (X651, X652, X654,
X656, and X658)” on
page 4-15
.
920.75
Fuser under
temperature
Fuser type = 2
Fuser page count has
exceeded life.
Fuser does not maintain proper
operating temperature within
steady state control.
Replace the fuser unit
assembly if problem remains.
Go to
“Fuser unit assembly
removal (X651, X652, X654,
X656, and X658)” on
page 4-15
.
920.76
Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
The fuser hot roll took too long
to heat up after transitioning to
new enhanced mode within
standby control only.
Replace the fuser unit
assembly if problem remains.
Go to
“Fuser unit assembly
removal (X651, X652, X654,
X656, and X658)” on
page 4-15
.
920.77
Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
The fuser hot roll fell to far
below desired temperature
while in standby control.
Replace the fuser unit
assembly if problem remains.
Go to
“Fuser unit assembly
removal (X651, X652, X654,
X656, and X658)” on
page 4-15
.
920.78
Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
The fuser hot roll is too cool
while checking for slope
change in standby.
Replace the fuser unit
assembly if problem remains.
Go to
“Fuser unit assembly
removal (X651, X652, X654,
X656, and X658)” on
page 4-15
.
920.79
Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
The fuser hot roll is too cool
when heating to desired
temperature after slope change
within standby control only.
Replace the fuser unit
assembly if problem remains.
Go to
“Fuser unit assembly
removal (X651, X652, X654,
X656, and X658)” on
page 4-15
.
920.81
Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
The fuser hot roll temperature
does not increase while the
lamp is turned on.
Replace the fuser unit
assembly if problem remains.
Go to
“Fuser unit assembly
removal (X651, X652, X654,
X656, and X658)” on
page 4-15
.
920.82
Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
The fuser hot roll temperature
is not maintained properly
while the media in the fuser
nip.
Replace the fuser unit
assembly if problem remains.
Go to
“Fuser unit assembly
removal (X651, X652, X654,
X656, and X658)” on
page 4-15
.
Error
code or
message
Error contents
Description/Action
Possible repair actions