diff --git a/avr/Makefile b/avr/Makefile
index 12f8fed..f8021be 100644
--- a/avr/Makefile
+++ b/avr/Makefile
@@ -12,7 +12,7 @@ OBJCOPY		= $(CROSS)objcopy
 OBJCOPY_FLAGS	= -S
 
 AVRDUDE		= avrdude
-AVRDUDE_DEVICE	= /dev/cu.usbmodem1411
+AVRDUDE_DEVICE	= /dev/cu.usbmodem1421
 AVRDUDE_FLAGS	= -c arduino -p atmega328p -b 115200 -D -P $(AVRDUDE_DEVICE)
 
 HEADERS_LOCAL	=
diff --git a/bin/main.c b/bin/main.c
index 563d4ff..f4e8d72 100644
--- a/bin/main.c
+++ b/bin/main.c
@@ -27,7 +27,8 @@ int main(int argc, char **argv) {
     int fd, status;
 
     tabby_printer_packet_header header;
-    tabby_printer_packet_footer footer;
+
+    uint16_t checksum;
 
     uint8_t body[TABBY_PRINTER_MAX_PACKET_SIZE];
 
@@ -43,7 +44,9 @@ int main(int argc, char **argv) {
     }
 
     while (1) {
-        status = tabby_printer_packet_recv(fd, &header, &body, &footer);
+        uint8_t value;
+
+        status = tabby_printer_packet_recv(fd, &header, &body, &checksum);
 
         if (status < 0) {
             fprintf(stderr, "%s: %s: %s\n",
@@ -52,7 +55,10 @@ int main(int argc, char **argv) {
             continue;
         }
 
-        fprintf(stderr, "Got a packet\n");
+        value = 0x81;
+        tabby_link_send(fd, &value, 1);
+        value = 0x00;
+        tabby_link_send(fd, &value, 1);
     }
 
     tabby_link_close(fd);
diff --git a/include/tabby/printer.h b/include/tabby/printer.h
index fc583b2..fdbea08 100644
--- a/include/tabby/printer.h
+++ b/include/tabby/printer.h
@@ -31,25 +31,12 @@ typedef struct _tabby_printer_packet_header {
     };
 } tabby_printer_packet_header;
 
-typedef struct _tabby_printer_packet_footer {
-    union {
-        struct {
-            uint16_t checksum;
-
-            uint8_t peripheral,
-                    status;
-        };
-
-        uint8_t data[4];
-    };
-} tabby_printer_packet_footer;
-
 /*
  * Methods for communicating with Game Boy as a printer
  */
 int tabby_printer_packet_recv(int fd, tabby_printer_packet_header *header,
                                       void *body,
-                                      tabby_printer_packet_footer *footer);
+                                      uint16_t *checksum);
 
 int tabby_printer_response_send(int fd, uint8_t device, uint8_t status);
 
diff --git a/src/printer.c b/src/printer.c
index 4c3c152..b2e7f4e 100644
--- a/src/printer.c
+++ b/src/printer.c
@@ -22,70 +22,68 @@ static uint16_t checksum(tabby_printer_packet_header *header, void *body) {
 
 int tabby_printer_packet_recv(int fd, tabby_printer_packet_header *header,
                                       void *body,
-                                      tabby_printer_packet_footer *footer) {
+                                      uint16_t *sum) {
     ssize_t len;
 
     size_t i = 0,
-           b = 0,
-           f = 0;
+           b = 0;
 
-    uint8_t value,
-            last;
-
-    int started = 0;
+    uint8_t value;
 
     memset(header, '\0', sizeof(*header));
-    memset(footer, '\0', sizeof(*footer));
+
+    *sum = 0;
 
     while ((len = tabby_link_recv(fd, &value, 1)) >= 0) {
-        if (started) {
-            if (i == 2) {
-                header->type = value;
-            } else if (i == 3) {
-                header->compression = value;
-            } else if (i == 4 || i == 5) {
-                header->size <<= 8;
-                header->size  |= value;
-            } else if (i > 5 && b < header->size) {
-                ((uint8_t *)body)[b++] = value;
-            } else if (b >= header->size && f < 2) {
-                footer->checksum <<= 8;
-                footer->checksum  |= value;
-
-                f++;
-            } else if (f >= 2) {
-                footer->data[f++] = value;
-
-                if (f == sizeof(*footer)) {
-                    if (checksum(header, body) != footer->checksum) {
-                        errno = EIO;
-
-                        goto error_io;
-                    }
-
-                    return 0;
-                }
-            }
-        } else {
-            if (last == 0x88 && value == 0x33) {
-                started = 1;
-                      i = 2;
-                      b = 0;
-                      f = 0;
-            } else if (i == PACKET_RECV_ERROR_THRESHOLD) {
+        if (i == 0) {
+            if (value == 0x83) {
+                header->preamble[0] = value;
+                i++;
+            } else {
                 errno = EIO;
 
                 goto error_io;
             }
+        } else if (i == 1) {
+            if (value == 0x33) {
+                header->preamble[1] = value;
+                i++;
+            } else {
+                errno = EIO;
+                i = 0;
+                goto error_io;
+            }
+        } else if (i == 2) {
+            header->type = value;
+            i++;
+        } else if (i == 3) {
+            header->compression = value;
+            i++;
+        } else if (i == 4) {
+            header->size = value;
+            i++;
+        } else if (i == 5) {
+            header->size |= value << 8;
+            i++;
+            b = 0;
+        } else if (b < header->size) {
+            ((uint8_t *)body)[b++] = value;
+        } else if (b == header->size) {
+            *sum = value;
+            b++;
+        } else if (b == header->size + 1) {
+            *sum |= value << 8;
+
+            if (checksum(header, body) != *sum) {
+                errno = EIO;
+
+                goto error_io;
+            }
+
+            return errno = 0;
         }
-
-        last = value;
-
-        i++;
     }
 
-    return errno = 0;
-
 error_io:
     return -errno;
 }