4026-0XX
Diagnostic Information 2-13
Symptom Table
Locate your symptom in the following table and take the appropriate
action
Symptom Action
Dead printer Go to the “Low Voltage Power Sup-
ply Service Check” on page 2-22.
Fan not working Go to the “Fan Service Check” on
page 2-17.
Fan noisy Go to the “Fan Service Check” on
page 2-17
Fuser parts melted Go to the “Cold Fuser Service
Check” on page 2-18.
Fuser Lamp doesn’t light Go to the “Cold Fuser Service
Check” on page 2-18.
Toner not fused to the paper Go to the “Cold Fuser Service
Check” on page 2-18.
Blank page Go to the “Print Quality Service
Check” on page 2-38.
Black page Go to the “Print Quality Service
Check” on page 2-38.
High or heavy background Go to the “Print Quality Service
Check” on page 2-38.
Offset print (image around char-
acters)
Go to the “Print Quality Service
Check” on page 2-38.
Poor image (characters washed
out)
Go to the “Print Quality Service
Check” on page 2-38.
Paper jams Go to the “Paper Feed Service
Check” on page 2-34.
Main Drive Motor noisy Go to the “Main Drive Motor Service
Check” on page 2-25.
Main Drive Motor does not move Go to the “Main Drive Motor Service
Check” on page 2-25.
Main Drive Motor runs backward Replace the Engine board.
