WordPress at a glance
action is not described

admin_print_styles action-hook . WC 1.0

Usage

add_action( 'admin_print_styles', 'action_function_name_107' );
function action_function_name_107(){
	// action...
}

Where the hook is called

WC_Admin_Setup_Wizard::setup_wizard_header()
admin_print_styles
woocommerce/includes/admin/class-wc-admin-setup-wizard.php 349
<?php do_action( 'admin_print_styles' ); ?>

Where in WP core the hook is used WooCommerce

woocommerce/includes/admin/class-wc-admin-notices.php 63
add_action( 'admin_print_styles', array( __CLASS__, 'add_notices' ) );