Printhead error service check
Action
Yes
No
Step 1
a
.
b
Remove the right cover. See
c
Reseat the printhead cable from the printhead and the
controller board.
Does the problem remain?
Go to step 2.
The problem is
solved.
Step 2
Check the printhead and its cables for damage and improper
installation.
Is the printhead free of damage and properly installed?
Contact the next
level of support.
Go to step 3.
Step 3
Reinstall or replace the printhead. See
Installation note:
Perform all the mechanical and electronic
adjustments to the printhead after replacing it. See
assembly adjustment” on page 175
.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
121 errors
121 error messages
Error code Description
Action
121.00
Fuser did not reach the required temperature.
See
“Fuser low temperature error service
.
121.01
During an attempt to heat up, the fuser was not
detected.
See
“Fuser error service check” on page 110
121.02
Fuser went over the required temperature (during
EWC/line voltage detection).
See
“Fuser high temperature error service
121.03
Fuser hardware and driver are mismatched.
See
“Fuser error service check” on page 110
121.04
During an attempt to heat up, the fuser relay was
open and the microcontroller was not reporting an
error.
121.05
During an attempt to heat up, the fuser relay was
open and the microcontroller was reporting an
error.
4600-830, -835, -895
Diagnostics and troubleshooting
108
Summary of Contents for M124x
Page 20: ...4600 830 835 895 20 ...
Page 152: ...4600 830 835 895 152 ...
Page 208: ...4 Remove the four screws A A A 4600 830 835 895 Parts removal 208 ...
Page 225: ...4 Disconnect the cable from the sensor A A 4600 830 835 895 Parts removal 225 ...
Page 229: ...B A C D E E 4600 830 835 895 Parts removal 229 ...
Page 244: ...4600 830 835 895 244 ...
Page 259: ...Assembly 1 Covers 9 8 7 6 4 3 2 1 5 4600 830 835 895 Parts catalog 259 ...
Page 261: ...Assembly 2 Control panel 2 1 1 2 3 3 4 4 4600 830 835 895 Parts catalog 261 ...
Page 263: ...Assembly 3 Electronics 1 4600 830 835 895 Parts catalog 263 ...
Page 265: ...Assembly 4 Electronics 2 2 5 1 3 4 4600 830 835 895 Parts catalog 265 ...
Page 267: ...Assembly 5 Electronics 3 4 3 6 7 2 5 1 4600 830 835 895 Parts catalog 267 ...
Page 269: ...Assembly 6 Electronics 4 2 1 4 3 6 5 4600 830 835 895 Parts catalog 269 ...
Page 271: ...Assembly 7 Paper transport 1 1 2 3 4 5 6 4600 830 835 895 Parts catalog 271 ...
Page 273: ...Assembly 8 Paper transport 2 5 1 4 4 3 2 4600 830 835 895 Parts catalog 273 ...
Page 275: ...Assembly 9 MPF and standard tray 1 3 2 4600 830 835 895 Parts catalog 275 ...
Page 277: ...Assembly 10 Optional trays 2 4 3 1 4600 830 835 895 Parts catalog 277 ...
Page 280: ...4600 830 835 895 Parts catalog 280 ...
Page 282: ...4600 830 835 895 282 ...
Page 302: ...4600 830 835 895 302 ...
Page 312: ...4600 830 835 895 Part number index 312 ...