Actions Yes No
Step 4
Turn the printer on, and then verify the following approximate values at
JSP1:
Pin 2: +24 V dc
Pin 4: +24 V dc
Pin 5: +5 V (when paper is picked)
Pin 7: Ground
Pin 8: Ground
Pin 10: +5 V dc
Pin 12: _5 V dc (when paper is picked)
Pin 15: +5 V dc
Pin 16: Ground
Are the values approximately correct?
Replace the paper pick
motor drive assembly.
See
“Paper pick motor
drive assembly
(standard tray)
removal” on page
305.
Replace the controller
board. See
“Controller
board removal” on
page 309.
171 errors
171 error messages
Error code Description Action
171.01 The printer fan has stalled. Go to
“Fan error service check” on page 104.
7527
Diagnostic information
103
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