• Code: 320 S98
• Description: Head voltage error * Head identification information (K1 - Y6) is added after the error point.

• Code: 321 S04
• Description: Pressure pump motor timeout The logic of the pressure pump sensor (detection at motor 180-degree intervals) does not change even when the pressure pump motor is driven for a certain time period.

• Code: 322 S96 (Z12)
• Description: Waste ink tank not installed The waste ink tank is not installed.

• Code: 323 S14 (Y02)
• Description: Water ink tank full The waste ink tank is detected as full.

• Code: 324 M02
• Description: Waste ink tank near-full The waste ink tank is almost full.

• Code: 325 Z04
• Description: Ink bottle cover not set The ink bottle cover is detected as not set.

• Code: 326 Z13
• Description: Ink passage opening failure The ink open sensor fails to activate when the ink fuse solenoid activates. The ink open sensor fails to activate after the ink fuse solenoid activates even after a full one second elapsed. After a retry, the ink open sensor fails to activate even after a full one second elapsed.

• Code: 327 Y01
• Description: Ink cartridge change 1 No ink has been detected during printing or maintenance operation. * Ink identification information (K, C, M, Y) is added after the error point.