• Code: 093-406
• Description: Black Toner Pre-Near Empty Black Toner Cartridge is Pre-near empty
• Remedy: Check the following: • Replace the Black Toner Cartridge if empty (PL 4.1) • That the Black Toner Cartridge is inserted properly • For Black Toner spills in the machine

• Code: 093-912
• Description: Black Toner Empty Black Toner Cartridge is Empty
• Remedy: Check for Image Quality Defects. An Image Quality Defect is present. Y↓N→Run ProCon On and follow the Corrective Actions. The Defect is Low Image Density or Uneven Density. Y↓N→The Defect is Background. Y↓N→Run ProCon On and follow the Corrective Actions. Go to IQ6 and troubleshoot IOT Background. Go to IQ3 and troubleshoot Low Image Density or Uneven Density.

• Code: 093-924
• Description: Toner K Crum Communication Failure K Toner CRUM Comm Failure.
• Remedy: Fault codes 093-940 (Y), 093-941 (M), and 093-942 (C) are also present on the UI. Y↓N→Replace the Black Toner Cartridge (PL 4.1). Replace the Toner CRUM (Toner Cartridge Door) (PL 4.2). If the fault codes are still present, replace the MCU PWB (PL 9.1).

• Code: 093-925
• Description: Toner K Crum Data Broken Failure
• Remedy: Fault codes 093-950 (Y), 093-951 (M), and 093-952 (C) are also present on the UI. Y↓N→Replace the Black Toner Cartridge (PL 4.1). Replace the Toner CRUM (Toner Cartridge Door) (PL 4.2). If the fault codes are still present, replace the MCU PWB (PL 9.1).

• Code: 093-926
• Description: Toner K Crum Data Mismatch Failure
• Remedy: Fault codes 093-960 (Y), 093-961 (M), and 093-962 (C) are also present on the UI. Y↓N→Replace the Black Toner Cartridge (PL 4.1). Replace the Toner CRUM (Toner Cartridge Door) (PL 4.2). If the fault codes are still present, replace the MCU PWB (PL 9.1).

• Code: 094-417
• Description: BTR Unit Pre Warning RAP The BTR is near end of life.
• Remedy: Verify that the BTR is near end of life (Detailed Maintenance Activities). The BTR is near end of life. Y↓N→Replace the MCU PWB (PL 9.1). There is no need for service at this time. Return to Service Call Procedures.

• Code: 094-420
• Description: BTR Unit Warning RAP The BTR reached end of life.
• Remedy: Verify that the BTR Assembly is at end of life (Detailed Maintenance Activities). The BTR Assembly is at end of life. Y↓N→Replace the MCU PWB (PL 9.1). Replace the BTR Assembly (PL 2.6).

• Code: 102-356
• Description: Controller Software RAP An internal Controller error shut down the processor.
• Remedy: Check the installation of the P-Kit/HDD-Kit/RAM boards. Reload Software (ADJ 9.3.1). Replace the ESS PWB (PL 9.2).