我有一台苹果 Laserwriter 16/600 打印机。
在 ubuntu 10.04 中一切正常。
当我升级到 14.04 时，打印机开始打印正确的页数，但全是空白，没有碳粉。
全新安装15.04后，问题依然存在。
我尝试过 LPT 和网络打印。相同的结果。
这是测试页打印作业后我的杯子日志。
# tail -f /var/log/cups/error_log
I [17/Sep/2015:15:44:36 +0200] Saving job.cache...
I [17/Sep/2015:15:44:36 +0200] Saving subscriptions.conf...
D [17/Sep/2015:15:44:37 +0200] cupsdSetBusyState: newbusy="Not busy",busy="Dirty files"
D [17/Sep/2015:15:44:37 +0200] Report: clients=5
D [17/Sep/2015:15:44:37 +0200] Report: jobs=2
D [17/Sep/2015:15:44:37 +0200] Report: jobs-active=0
D [17/Sep/2015:15:44:37 +0200] Report: printers=1
D [17/Sep/2015:15:44:37 +0200] Report: stringpool-string-count=7571
D [17/Sep/2015:15:44:37 +0200] Report: stringpool-alloc-bytes=11392
D [17/Sep/2015:15:44:37 +0200] Report: stringpool-total-bytes=166880
D [17/Sep/2015:15:49:07 +0200] cupsdAddCert: Adding certificate for PID 0
D [17/Sep/2015:15:49:07 +0200] Closing client 5 after 300 seconds of inactivity.
D [17/Sep/2015:15:49:07 +0200] [Client 5] Closing connection.
D [17/Sep/2015:15:49:07 +0200] cupsdSetBusyState: newbusy="Not busy", busy="Not busy"
D [17/Sep/2015:15:49:07 +0200] Closing client 8 after 300 seconds of inactivity.
D [17/Sep/2015:15:49:07 +0200] [Client 8] Closing connection.
D [17/Sep/2015:15:49:07 +0200] cupsdSetBusyState: newbusy="Not busy", busy="Not busy"
D [17/Sep/2015:15:49:07 +0200] Report: jobs=2
D [17/Sep/2015:15:49:07 +0200] Report: jobs-active=0
D [17/Sep/2015:15:49:07 +0200] Report: printers=1
D [17/Sep/2015:15:49:07 +0200] Report: stringpool-string-count=7569
D [17/Sep/2015:15:49:07 +0200] Report: stringpool-alloc-bytes=11392
D [17/Sep/2015:15:49:07 +0200] Report: stringpool-total-bytes=166832
有人能给我指出正确的方向或建议解决 CUPS 故障的进一步方法吗？
或者也许有一种降级到我知道可以工作的 10.04 cups 版本（1.4.3）的方法？依赖地狱，我猜？
谢谢！