From 6c07d72e2d76c8b8bfa1a50425d77d6585675194 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fatih=20Kadir=20Ak=C4=B1n?= <fatihkadirakin@gmail.com>
Date: Tue, 29 Aug 2017 17:10:12 +0300
Subject: [PATCH] release paper function for tm-u295

---
 README.md                     | 4 ++++
 src/Mike42/Escpos/Printer.php | 8 ++++++++
 test/unit/EscposTest.php      | 7 +++++++
 3 files changed, 19 insertions(+)

diff --git a/README.md b/README.md
index ce9ad78e..260b96a4 100644
--- a/README.md
+++ b/README.md
@@ -81,6 +81,7 @@ Many thermal receipt printers support ESC/POS to some degree. This driver has be
 - Epson TM-T20
 - Epson TM-T70II
 - Epson TM-U220
+- Epson TM-U295 (requires `release()` to release slip).
 - Epson FX-890 (requires `feedForm()` to release paper).
 - Excelvan HOP-E58
 - Excelvan HOP-E200 
@@ -320,6 +321,9 @@ Parameters:
 ### feedForm()
 Some printers require a form feed to release the paper. On most printers, this command is only useful in page mode, which is not implemented in this driver.
 
+### release()
+Some slip printers require release command to release the paper.
+
 ### feedReverse($lines)
 Print and reverse feed n lines.
 
diff --git a/src/Mike42/Escpos/Printer.php b/src/Mike42/Escpos/Printer.php
index 6be19536..ebb68010 100644
--- a/src/Mike42/Escpos/Printer.php
+++ b/src/Mike42/Escpos/Printer.php
@@ -539,6 +539,14 @@ public function feedForm()
         $this -> connector -> write(self::FF);
     }
 
+    /**
+     * Some slip printers require `ESC q` sequence to release the paper.
+     */
+     public function release()
+     {
+         $this -> connector -> write(self::ESC . chr(113));
+     }
+
     /**
      * Print and reverse feed n lines.
      *
diff --git a/test/unit/EscposTest.php b/test/unit/EscposTest.php
index 186f0f6b..5ac5f263 100644
--- a/test/unit/EscposTest.php
+++ b/test/unit/EscposTest.php
@@ -980,6 +980,13 @@ public function testFeedForm()
         $this -> checkOutput("\x1b@\x0c");
     }
 
+    /* Release */
+    public function testRelease()
+    {
+        $this -> printer -> release();
+        $this -> checkOutput("\x1b@\x1b\x71");
+    }
+
     /* Set text size  */
     public function testSetTextSizeNormal()
     {