Code :
- Code: 502
- Description: Tray 2 must be rebuilt
- Code: 503
- Description: Tray 3 must be rebuilt
- Code: 504
- Description: Tray 4 must be rebuilt
- Code: 505
- Description: HCF must be rebuilt
- Code: 506
- Description: Bypass must be rebuilt
- Code: 507
- Description: Duplex unit must be rebuilt
- Code: 508
- Description: Replace black developer
- Code: 509
- Description: Replace red developer