Printing on same line using thermal printer

I can't seem to get the year, month, etc. to print on the same line with a "/" dividing them. I have a feeling it's pretty easy, but my online search is turning up zero.

Cheers, R

/*************************************************************************
  This is an Arduino library for the Adafruit Thermal Printer.
  Pick one up at --> http://www.adafruit.com/products/597
  These printers use TTL serial to communicate, 2 pins are required.

  Adafruit invests time and resources providing this open source code.
  Please support Adafruit and open-source hardware by purchasing products
  from Adafruit!

  Written by Limor Fried/Ladyada for Adafruit Industries.
  MIT license, all text above must be included in any redistribution.
 *************************************************************************/

// If you're using Arduino 1.0 uncomment the next line:
#include "SoftwareSerial.h"
// If you're using Arduino 23 or earlier, uncomment the next line:
//#include "NewSoftSerial.h"

#include "Adafruit_Thermal.h"
#include "adalogo.h"
#include "adaqrcode.h"
#include 

#include 
#include "RTClib.h"

RTC_DS1307 rtc;

int printer_RX_Pin = 5;  // This is the green wire
int printer_TX_Pin = 6;  // This is the yellow wire

int buttonState = 0;  // variable for reading the pushbutton status
const int buttonPin = 2;   // the number of the pushbutton pin


Adafruit_Thermal printer(printer_RX_Pin, printer_TX_Pin);

void setup(){
    Serial.begin(9600);
#ifdef AVR
  Wire.begin();
#else
  Wire1.begin(); // Shield I2C pins connect to alt I2C bus on Arduino Due
#endif
  rtc.begin();
  
  DateTime now = rtc.now();
  
  int yearTest = (now.year(), DEC);


  if (! rtc.isrunning()) {
    Serial.println("RTC is NOT running!");
    // following line sets the RTC to the date & time this sketch was compiled
    // rtc.adjust(DateTime(__DATE__, __TIME__));
  }
  
  
  pinMode(7, OUTPUT); digitalWrite(7, LOW); // To also work w/IoTP printer
  printer.begin();

  // The following function calls are in setup(), but do not need to be.
  // Use them anywhere!  They're just here so they're run only one time
  // and not printed over and over.
  // Some functions will feed a line when called to 'solidify' setting.
  // This is normal.
  
    printer.println("This the the year:");  
  
    printer.println(now.year(), DEC);
    printer.println('/');
    printer.println(now.month(), DEC);
    printer.println('/');
    printer.println(now.day(), DEC);
    printer.println(' ');
    printer.println(now.hour(), DEC);
    printer.println(':');
    printer.println(now.minute(), DEC);
    printer.println(':');
    printer.println(now.second(), DEC);
    printer.println();

  
  printer.println();
  printer.println();

  printer.sleep();      // Tell printer to sleep
  printer.wake();       // MUST call wake() before printing again, even if reset
  printer.setDefault(); // Restore printer to defaults
}

void loop(){
  // read the state of the pushbutton value:
  buttonState = digitalRead(buttonPin);

  // check if the pushbutton is pressed.
  // if it is, the buttonState is HIGH:
  if (buttonState == HIGH) {       
  
    DateTime now = rtc.now();
    
    // calculate a date which is 2 days
    DateTime future (now.unixtime() + 2 * 86400L);
  
    printer.println(future.year(), DEC);
    printer.println('/');
    printer.println(future.month(), DEC);
    printer.println('/');
    printer.println(future.day(), DEC);
    printer.println(' ');
    printer.println(future.hour(), DEC);
    printer.println(':');
    printer.println(future.minute(), DEC);
    printer.println(':');
    printer.println(future.second(), DEC);
    printer.println();

  
  printer.println();
  printer.println();

  printer.sleep();      // Tell printer to sleep
  printer.wake();       // MUST call wake() before printing again, even if reset
  printer.setDefault(); // Restore printer to defaults
  }
}
printer.print(now.year(), DEC);
    printer.print('/');
    printer.print(now.month(), DEC);
    printer.print('/');
    printer.print(now.day(), DEC);
    printer.print(' ');
    printer.print(now.hour(), DEC);

etc?

I'm slightly embarrassed that it was so easy. Thanks!!!!