Found in, printed via some odd process and left in the printer:
ERROR: ioerror (COMMAND TYPE: operatortype)
OFFENDING COMMAND: readstring "readstring"
OPERAND STACK: (4 total entries)
===top of stack===
{
-filestream-
-mark-
-savelevel-
DICTIONARY STACK: (11 total entries)
===top of stack===
<unknown>
Adobe_AGM_Image
SharedFontDirectory
Adobe_CoolType_LVMFonts
Adobe_CoolType_GVMFonts
Adobe_CoolType_Core
Adobe_AGM_Core
Adobe_AGM_Utils
userdict
globaldict
systemict
EXECUTION STACK: (17 total entries)
===top of stack (top 10 entries shown)===
{ pop }
---@exec---
{
{ --cleartomark-- --restore-- }
{ --currentdict-- /_Filters --known-- { _Filters AGMING_flushfilters } --if-- --end-- }
-filestream-
{ --disableinterrupt-- }
--@aborted--
{ --clearinterrupt-- --disableinterrupt-- { } --exch-- 0 --exch-- --put-- --clear-- }
--@aborted--
NEXT 320 CHARACTERS AFTER ERROR:
-- No More Data Available --