Fuser drive motor service check.................................................................................................................248
121 errors .......................................................................................................................................................248
121 error messages ....................................................................................................................................248
Fuser service check.....................................................................................................................................250
126 errors .......................................................................................................................................................250
126 error messages ....................................................................................................................................250
LVPS failure service check ..........................................................................................................................251
13y errors........................................................................................................................................................251
13y error messages .................................................................................................................................... 251
Toner level sensing service check...............................................................................................................252
14y errors........................................................................................................................................................252
14y error messages .................................................................................................................................... 252
Main drive motor service check .................................................................................................................253
Media feeder service check........................................................................................................................253
Redrive motor service check ......................................................................................................................254
15y errors........................................................................................................................................................254
15y error messages .................................................................................................................................... 254
Duplex motor service check .......................................................................................................................254
Toner add motor service check ..................................................................................................................255
17y errors........................................................................................................................................................255
17y error messages .................................................................................................................................... 255
Main cooling fan service check ..................................................................................................................256
Cartridge cooling fan service check............................................................................................................257
Controller board cooling fan service check ................................................................................................257
Steps before starting the 9yy service checks ..................................................................................................258
900 errors .......................................................................................................................................................259
900 error messages ....................................................................................................................................259
System software error service check .........................................................................................................259
912 errors .......................................................................................................................................................264
912 error messages ....................................................................................................................................264
94y errors........................................................................................................................................................264
94y error messages .................................................................................................................................... 264
950–958 errors ...............................................................................................................................................265
950–958 error messages ............................................................................................................................265
NVRAM mismatch failure service check.....................................................................................................265
ADF/scanner communication failure service check ...................................................................................267
959 errors .......................................................................................................................................................268
959 error messages ....................................................................................................................................268
96y errors........................................................................................................................................................269
96y error messages .................................................................................................................................... 269
RAM memory error service check ..............................................................................................................270
Download emulation cyclic redundancy service check ..............................................................................270
97y errors........................................................................................................................................................270
97y error messages .................................................................................................................................... 270
98y errors.....................................................................................................................
...................................271
7463
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