• Code: 111.53
• Description: Open-loop printhead error, enable amp Kp state.
• Remedy: Step 1: Check the printhead unit cables JLSU1 and J6 for proper connection. Are they properly connected? Yes: Go to step 2. No: Reseat the cables.
  Step 2: Inspect the printhead cables and connectors. Are they free of damage? Yes: Replace the controller board. No: Replace the printhead.

• Code: 111.54
• Description: Closed-loop printhead error, amp Kp failed to converge.
• Remedy: Step 1: Check the printhead unit cables JLSU1 and J6 for proper connection. Are they properly connected? Yes: Go to step 2. No: Reseat the cables.
  Step 2: Inspect the printhead cables and connectors. Are they free of damage? Yes: Replace the controller board. No: Replace the printhead.

• Code: 111.55
• Description: Closed-loop printhead error while waiting for amp Kp to converge.
• Remedy: Step 1: Check the printhead unit cables JLSU1 and J6 for proper connection. Are they properly connected? Yes: Go to step 2. No: Reseat the cables.
  Step 2: Inspect the printhead cables and connectors. Are they free of damage? Yes: Replace the controller board. No: Replace the printhead.

• Code: 111.56
• Description: Closed-loop printhead error, amp Ki failed to converge.
• Remedy: Step 1: Check the printhead unit cables JLSU1 and J6 for proper connection. Are they properly connected? Yes: Go to step 2. No: Reseat the cables.
  Step 2: Inspect the printhead cables and connectors. Are they free of damage? Yes: Replace the controller board. No: Replace the printhead.

• Code: 111.57
• Description: Closed-loop printhead error while waiting for amp Ki to converge.
• Remedy: Step 1: Check the printhead unit cables JLSU1 and J6 for proper connection. Are they properly connected? Yes: Go to step 2. No: Reseat the cables.
  Step 2: Inspect the printhead cables and connectors. Are they free of damage? Yes: Replace the controller board. No: Replace the printhead.

• Code: 111.58
• Description: Closed-loop printhead error, load scan regs state.
• Remedy: Step 1: Check the printhead unit cables JLSU1 and J6 for proper connection. Are they properly connected? Yes: Go to step 2. No: Reseat the cables.
  Step 2: Inspect the printhead cables and connectors. Are they free of damage? Yes: Replace the controller board. No: Replace the printhead.

• Code: 111.59
• Description: Closed-loop printhead error, forward and reverse capture times differ by too much.
• Remedy: Step 1: Check the printhead unit cables JLSU1 and J6 for proper connection. Are they properly connected? Yes: Go to step 2. No: Reseat the cables.
  Step 2: Inspect the printhead cables and connectors. Are they free of damage? Yes: Replace the controller board. No: Replace the printhead.

• Code: 111.60
• Description: Closed-loop printhead sweep error, check sweep accuracy state.
• Remedy: Step 1: Check the printhead unit cables JLSU1 and J6 for proper connection. Are they properly connected? Yes: Go to step 2. No: Reseat the cables.
  Step 2: Inspect the printhead cables and connectors. Are they free of damage? Yes: Replace the controller board. No: Replace the printhead.