Imprimante jugée par l'ordinateur absente.

Bonjour,
un cadenas ouvert s'affiche sur l icône de l imprimante. Qui sait ce que je peux faire? J'ai désinstalleé l'imprimante puis l'ai ré installée.
J'ai installé le pilotes .
Qui pourrait, s'il vous plaît me dire comment gérer ce problème?merci d'avance

[27/Jun/2018:20:04:53 +0200] [Job 188] No pages found!
E [28/Jun/2018:11:34:46 +0200] [Job 189] No pages found!
E [28/Jun/2018:21:21:18 +0200] [Job 191] No pages found!
E [30/Jun/2018:21:25:55 +0200] [Job 195] No pages found!
E [30/Jun/2018:22:51:22 +0200] [Job 195] No pages found!
E [01/Jul/2018:07:58:57 +0200] [Job 195] No pages found!
E [01/Jul/2018:07:59:19 +0200] [Job 200] Impossible d’annuler la tâche d’impression.
E [03/Jul/2018:11:02:36 +0200] [Job 198] No pages found!
E [03/Jul/2018:17:12:45 +0200] [Job 199] No pages found!
E [03/Jul/2018:20:12:49 +0200] [Job 201] No pages found!
E [16/Jul/2018:23:31:22 +0200] [Job 207] Impossible d’annuler la tâche d’impression.
E [17/Jul/2018:08:37:49 +0200] [Job 207] Impossible d’annuler la tâche d’impression.
E [17/Jul/2018:08:54:37 +0200] [Job 208] Impossible d’annuler la tâche d’impression.
E [17/Jul/2018:11:38:42 +0200] [Job 208] Stopping unresponsive job.
E [17/Jul/2018:11:38:43 +0200] [Job 208] L’imprimante ne répond pas.
E [30/Jul/2018:12:47:51 +0200] [Job 209] Impossible d’envoyer des données à l’imprimante.
E [05/Aug/2018:15:38:08 +0200] [Job 212] Impossible d’annuler la tâche d’impression.
E [16/Aug/2018:23:35:34 +0200] [Job 213] Tâche d’impression annulée sur l’imprimante.
E [16/Aug/2018:23:35:45 +0200] [Job 214] Tâche d’impression annulée sur l’imprimante.
E [05/May/2019:12:12:54 +0200] [Job 222] No pages found!
E [28/May/2019:14:02:35 +0200] [Job 222] No pages found!
E [28/May/2019:14:12:30 +0200] [Job 222] No pages found!
E [28/May/2019:14:13:17 +0200] Scheduler shutting down due to program error.
E [28/May/2019:16:29:28 +0200] Unable to fork /usr/libexec/cups/daemon/cups-driverd - Invalid argument.
E [28/May/2019:16:29:29 +0200] [Client 195] Returning IPP server-error-internal-error for CUPS-Get-PPD (drv:///sample.drv/generic.ppd) from localhost
E [28/May/2019:18:22:16 +0200] [Job 1] Stopping unresponsive job.
E [28/May/2019:18:57:42 +0200] [Job 1] Stopping unresponsive job.
E [28/May/2019:19:10:52 +0200] [Job 1] Stopping unresponsive job.




merci de m'aider
janine