• “938 errors” on page 106
• “95y errors” on page 107
• “96y errors” on page 110
• “97y errors” on page 111
• “982 errors” on page 112
• “990 errors” on page 112
• “Base printer symptoms” on page 114
• “Bin‑full/narrow media sensor service check” on page 115
• “Toner meter cycle (TMC) card service check” on page 117
• “Dead printer service check” on page 117
• “Front door sensor or switches service check” on page 119
• “Operator panel (display is dim and unchanging) service check” on page 123
• “Operator panel (displays all diamonds, no beeps, or five beeps) service check” on page 127
• “Operator panel (display blank) service check” on page 131
• “Operator panel (one or more operator panel buttons fail) service check” on page 135
• “Operator panel USB cable service check” on page 136
• “USB service check” on page 137
• “Network service check” on page 137
5027
Diagnostic information
81