Konica-Minolta bizhub 420
- Code: C-2804
- Description: Toner density abnormality.
- When the L detection output is in excess of 2.6 V before the toner remaining sensor (PZS) detects a no toner condition, toner density does not recover even when toner is automatically supplied. - Causes: Toner remaining sensor (PZS) TCR sensor (TCRS) Printer control board (PRCB)
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