我做SMARTFORMS时用的是SAP标准(/BEV2/ED_SFRET_DEMO_F)的SMARTFORMS和自己建的都不能够打印，但是可以预览的，报错信息如下，请大家帮我看看是什么问题?谢谢！
11:33:14) Receive job for printer _Default (Berkeley LPD protocol / RFC1179)
(11:33:14) send_status called
(11:33:14) send_status called
(11:33:14) send_status called
(11:33:14) send_status called
(11:33:14) send_status called
(11:33:14) Job 000wfSwj.DEV for user ZXP queued.
(11:33:15) Start printing job 000wfSwj.DEV on printer _DEFAULT
(11:33:17) Error: Cannot create Printer Context, text = 重叠 I/O 操作在进行中。

(11:33:17) Error: The printer _DEFAULT is unknown to Windows Print Manager.
(11:33:17) The following printers are currently defined:
(11:33:17) Printer = MICROSOFT OFFICE DOCUMENT IMAGE WRITER
(11:33:17) Warning: Printer name contains spaces.
(11:33:17) Please rename printer, before using it from R/3 or UNIX!
(11:33:17) Printer = \\192.168.0.5\PCL6
(11:33:17) Error: BG: saplpd_open_dc failed, msg = 808 SAPLPD:Windows Problem, siehe SAPLPD Protokoll