• Code: SC321
• Description: Transfer belt start signal error - Definition - [B] The transfer belt start signal is not detected within 500 ms relative to the programmed timing.
• Causes: • IPU board defective • DIP SW301-1 on the IPU board is not ON

• Code: SC322
• Description: Laser synchronizing signal error - Definition - [B] The intervals between laser synchronizing signals become over 1.2 times the normal interval.
• Causes: • Laser synchronizing detector board defective • Scanner control board defective • Laser synchronizing detector board not properly positioned • LD unit defective

• Code: SC323
• Description: LD drive current over - Definition - [B] The LD drive board applies more than 100 mA to the LD for over 2.3 ms.
• Causes: • LD unit defective

• Code: SC341
• Description: Bk-development motor lock - Definition - [B] The Bk-development motor lock signal is detected for more than 3 seconds.
• Causes: • Bk-development motor defective or poor connection • Too much load on the Bk-development section • Interface board 1 defective or poor connection (CN708) • Main control board defective

• Code: SC342
• Description: Bk-sleeve motor lock - Definition - [B] The Bk-sleeve motor lock signal is detected for more than 3 seconds.
• Causes: • Bk-sleeve motor defective or poor connection • Too much load on the Bk-sleeve roller • Interface board 1 defective or poor connection (CN708) • Main control board defective

• Code: SC343
• Description: Y-sleeve motor lock - Definition - [B] The Y-sleeve motor lock signal is detected for more than 3 seconds.
• Causes: • Y-sleeve motor defective or poor connection • Too much load on the Y-sleeve roller • Interface board 2 defective or poor connection (CN806) • Main control board defective

• Code: SC344
• Description: M-sleeve motor lock - Definition - [B] The M-sleeve motor lock signal is detected for more than 3 seconds.
• Causes: • M-sleeve motor defective or poor connection • Too much load on the M-sleeve roller • Interface board 2 defective or poor connection (CN806) • Main control board defective

• Code: SC345
• Description: C-sleeve motor lock - Definition - [B] The C-sleeve motor lock signal is detected for more than 3 seconds.
• Causes: • C-sleeve motor defective or poor connection • Too much load on the C-sleeve roller • Interface board 2 defective or poor connection (CN806) • Main control board defective