Section 6: Checks and Adjustment Procedures
CG4 Series Service Manual Page 6-1
CHECKS AND ADJUSTMENT PROCEDURES
This section provides instructions for electrical and mechanical adjustments to the printer. Regular 
maintenance in making adjustments to reset the printer to factory specifications will ensure optimum 
performance of your printer.
The Adjustment Procedure describe in this section are as follows.
• 6.1 Checking the Power Supply
• 6.2 Automatic Adjustment of I-Mark and GAP Sensor Outputs
• 6.3 Sensor checks
• 6.4 Ribbon Tension Adjustment (For CG408TT, CG412TT only)
• 6.5 Pitch position Adjustment
• 6.6 Offset position Adjustment
• 6.7 Print Darkness Adjustment