diff --git a/README.SELPHY b/README.SELPHY
index 771c33f..9eae794 100644
--- a/README.SELPHY
+++ b/README.SELPHY
@@ -309,6 +309,8 @@
    Plane func:  40 01 00 [plane]  [length, 32-bit LE]  00 00 00 00 
    End func:    00 00 00 00      # NOTE:  CP900 only, and not necessary!
 
+   Error clear: 40 10 00 00  00 00 00 00  00 00 00 00  # CP800.  Others?
+
    plane codes are 0x00, 0x01, 0x02 for Y, M, and C, respectively.
 
    'P' papers pgcode 0x01   plane length 2227456 bytes.
@@ -332,7 +334,8 @@
    [rr] is error code:
    	0x00 no error
 	0x01 paper out
-	0x08 when ribbon is depleted
+	0x04 ribbon problem
+	0x08 ribbon depleted
 
    [ss] is either 0x00 or 0x70.  Unsure as to its significance; perhaps it
 	means paper or ribbon is already set to go?
diff --git a/selphy_print.c b/selphy_print.c
index 4a10b5f..ae7399a 100644
--- a/selphy_print.c
+++ b/selphy_print.c
@@ -105,6 +105,7 @@ struct printer_data {
 	int16_t ready_m_readback[READBACK_LEN];
 	int16_t ready_c_readback[READBACK_LEN];
 	int16_t done_c_readback[READBACK_LEN];
+	int16_t clear_error[READBACK_LEN];
 	int16_t paper_codes[256];
 	int16_t pgcode_offset;  /* Offset into printjob for paper type */
 	int16_t paper_code_offset; /* Offset in readback for paper type */
@@ -132,6 +133,7 @@ struct printer_data printers[P_END] = {
 	  .ready_m_readback = { 0x04, 0x00, 0x03, 0x00, 0x02, 0x01, -1, 0x01, 0x00, 0x00, 0x00, 0x00 },
 	  .ready_c_readback = { 0x04, 0x00, 0x07, 0x00, 0x02, 0x01, -1, 0x01, 0x00, 0x00, 0x00, 0x00 },
 	  .done_c_readback = { 0x04, 0x00, 0x00, 0x00, 0x02, 0x01, -1, 0x01, 0x00, 0x00, 0x00, 0x00 },
+	  // .clear_error
 	  // .paper_codes
 	  .pgcode_offset = 3,
 	  .paper_code_offset = 6,
@@ -146,6 +148,7 @@ struct printer_data printers[P_END] = {
 	  .ready_m_readback = { 0x06, 0x00, 0x03, 0x00, -1, 0x00, -1, -1, 0x00, 0x00, 0x00, 0x00 },
 	  .ready_c_readback = { 0x09, 0x00, 0x07, 0x00, -1, 0x00, -1, -1, 0x00, 0x00, 0x00, 0x00 },
 	  .done_c_readback = { 0x09, 0x00, 0x00, 0x00, -1, 0x00, -1, -1, 0x00, 0x00, 0x00, 0x00 },
+	  // .clear_error
 	  // .paper_codes
 	  .pgcode_offset = 2,
 	  .paper_code_offset = 4,
@@ -160,6 +163,7 @@ struct printer_data printers[P_END] = {
 	  .ready_m_readback = { 0x03, 0xff, 0x02, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 },
 	  .ready_c_readback = { 0x05, 0xff, 0x03, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 },
 	  .done_c_readback = { 0x00, 0xff, 0x10, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 },
+	  // .clear_error
 	  // .paper_codes
 	  .pgcode_offset = 2,
 	  .paper_code_offset = -1,
@@ -174,6 +178,7 @@ struct printer_data printers[P_END] = {
 	  .ready_m_readback = { 0x00, 0x03, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, -1 },
 	  .ready_c_readback = { 0x00, 0x05, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, -1 },
 	  .done_c_readback = { 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, -1 },
+	  // .clear_error
 	  // .paper_codes
 	  .pgcode_offset = 2,
 	  .paper_code_offset = 11,
@@ -188,6 +193,7 @@ struct printer_data printers[P_END] = {
 	  .ready_m_readback = { 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, -1, 0x00, 0x00, 0x00, 0x00, -1 },
 	  .ready_c_readback = { 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, -1, 0x00, 0x00, 0x00, 0x00, -1 },
 	  .done_c_readback = { 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, -1, 0x00, 0x00, 0x00, 0x00, -1 },
+	  .clear_error = { 0x40, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
 	  // .paper_codes
 	  .pgcode_offset = 3,
 	  .paper_code_offset = 6,
@@ -203,6 +209,7 @@ struct printer_data printers[P_END] = {
 	  .ready_c_readback = { 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
 	  .done_c_readback = { 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
 	  // .paper_codes
+	  // .clear_error
 	  .pgcode_offset = -1,
 	  .paper_code_offset = -1,
 	  .error_offset = 2,