# B84 MAIN BOARD SEQ (ADJUSTMENT AFTER REPLACEMENT)

#Overview

Sequentially display the adjustments required after the Main Board Assy replacement.

#Work Procedure

1. Start the printer in the service mode.

   • Service mode startup

2. Select “B84 Main Board Seq” refer to “ How to select an Adjustment item”.

   • HOW TO SELECT AN ADJUSTMENT ITEM

3. The following inspections are performed.

   1. Ink Leak Sensor (Ink leak check)

   2. B26 NOZZLE NOISE CHECK