[cups] print output error question

[Richard Parson]

Hi I am a new member username inkcapable not sure if I am using the correct
procedure logged into the cups site using my password.

Site said to use your favourite e mail application ?

PRINTER OUTPUT ERROR:

Hi Printer is a Lexmark E260 mono laser. year 2012 ( usb
connection).printer was working o.k. until I updated to Mint 17.3 Rosa.
random characters are :i[' oXteJ5'-rMBI73qYi]Mqrs;_) [:! GtMGO%^!tgCBfAL(
FIC*+_5Lbn>92]]a#cSAZ&>A at c2Y, the characters do not appear on every page, I
can print up to four sheets o.k. If i switch off the printer and leave for
30 seconds I can then print o.k

System info: Mint 17.3 Cinnamon 2.8.8 kernel 3.190.32  cups version 1.7.2
processor AMD A6-3700 APU Radeon(tm) graphicsx4
memory 8gb.
Terminal output from printer:
Teminal output ref Lexmark E260 mono laserjet

marg at marg-GA-A55M-DS2 ~ $ lpstat -p
printer CUPS-PDF is idle. enabled since Tue 12 Apr 2016 14:15:04 BST
Sending data to printer.
marg at marg-GA-A55M-DS2 ~ $ lpstat -p | awk '{print $2}' | xargs -n1 lpq -P
CUPS-PDF is ready
no entries
lpq: Unknown destination "data".
marg at marg-GA-A55M-DS2 ~ $

Output from Cups troubleshooter GUI
Page 1 (Scheduler not running?):
{'cups_connection_failure': False}

update 13.4.2016 i am now getting the following error when printing.
ERROR:
invalid access
OFFENDING COMMAND:
copy
STACK:
--nostringval--
--nostringval--
--nostringval--
14
-mark-
-mark-
-mark-
any advice regarding this error sequence please ?.
thank you,

Page 2 (Choose printer):
{'cups_dest': <cups.Dest CUPS-PDF (default)>,
'cups_instance': None,
'cups_queue': u'CUPS-PDF',
'cups_queue_listed': True}
Page 3 (Check printer sanity):
{'cups_device_uri_scheme': u'usb',
'cups_printer_dict': {'device-uri': u'usb://Lexmark/E260',
'printer-info': u'Lexmark International Lexmark E260',
'printer-is-shared': False,
'printer-location': u'marg-GA-A55M-DS2',
'printer-make-and-model': u'Lexmark E260',
'printer-state': 3,
'printer-state-message': u'Sending data to printer.',
'printer-state-reasons': [u'none'],
'printer-type': 10522828,
'printer-uri-supported': u'ipp://localhost:631/printers/CUPS-PDF'},
'cups_printer_remote': False,
'is_cups_class': False,
'local_cups_queue_attributes': {'charset-configured': u'utf-8',
'charset-supported': [u'us-ascii', u'utf-8'],
'color-supported': True,
'compression-supported': [u'none', u'gzip'],
If some one can help it would be much appreciated.

Thank you in advance.
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