99y errors
99y error messages
Error code Description Action
990.xx An equipment check condition has occurred in the
specified device, but the device is unable to identify the
exact component failure—device can be:
• Engine, Duplex, Tray x, Env Feeder
• Output Bin x (Note: Used for single bin devices)
• Bins x to y (Note: Used for multiple bin devices)
Call the next level of support.
Call the next level of support.
991.xx The specified device has detected an equipment check
in its controller board—device can be:
• Engine, Duplex, Tray x, Env Feeder
• Output Bin x (Note: Used for single bin devices)
• Bins x to y (Note: Used for multiple bin devices)
Call the next level of support.
Base printer symptoms
Symptom Action
Buttons on the control panel failed to
respond
Go to
“Control panel button service check” on page 109.
No display Go to
“Control panel service check” on page 110.
Printer not communicating with host Go to
“USB print service check” on page 111.
Machine does not POR (no power) Go to
“Dead machine service check” on page 107.
Toner starvation and 31.4x error code is
displayed
Go to
“Toner starvation service check” on page 110.
Print job not printing on network
attached printer
Go to
“Network service check” on page 112.
Network attached printer offline Go to
“Network service check” on page 112.
Dead machine service check
Action Yes No
Step 1
a Check the power cord for continuity. Replace if necessary.
b Make sure the nominal voltage source is within specification. See
“Electrical specifications” on page 271.
Go to step 2. The problem is solved.
4514
Diagnostic information
107
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