3-140 Phaser 7500 Printer Service Manual
Error Messages and Codes
MK_Emergency_No_Timer
MK internal mismatch (Call Back Timer has ran out and cannot be controlled).
Applicable Chain-Link Code
• 045-351: MK_Emergency_No_Timer
Initial Actions
• Power cycle the printer.
• If the problem persists, follow the procedure below.
1. Turn the power Off and On.
2. Restore NVRAM. If the problem persists, replace the MCU PWB (REP 18.12,
page 8-202).
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ MCU PWB, PL18.3.6
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