hello, Here is the terminal: papa@HpLinux ~/Downloads/hplip-3.15.4 $ hp-levels -g HP Linux Imaging and Printing System (ver. 3.15.4) Supply Levels Utility ver. 2.0 Copyright (c) 2001-15 Hewlett-Packard Development Company, LP This software comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to distribute it under certain conditions. See COPYING file for more details. hp-levels[3463]: debug: getDeviceUri(None, None, ('hp',), None, , True) hp-levels[3463]: debug: Mode=0 hp-levels[3463]: debug: Cache miss: photosmart_c4100_series hp-levels[3463]: debug: Reading file: /usr/share/hplip/data/models/models.dat hp-levels[3463]: debug: Searching for section [photosmart_c4100_series] in file /usr/share/hplip/data/models/models.dat hp-levels[3463]: debug: Found section [photosmart_c4100_series] in file /usr/share/hplip/data/models/models.dat hp-levels[3463]: debug: {'hp:/usb/Photosmart_C4100_series?serial=MY78FJ141R04J7': ['HP-Photosmart-C4100-series', 'Photosmart_C4100', 'Photosmart_C4100_2']} Using device : hp:/usb/Photosmart_C4100_series?serial=MY78FJ141R04J7 hp-levels[3463]: debug: num_pens = 2 hp-levels[3463]: debug: pen 0 {'index': 0, 'kind': 3L, 'level': 194, 'ack': False, 'hp-ink': True, 'dvc': 60909, 'level-trigger': 0, 'virgin': True, 'health': 1, 'known': True, 'type': 0, 'id': 0} hp-levels[3463]: debug: pen 1 {'index': 1, 'kind': 0L, 'level': 0, 'ack': True, 'hp-ink': True, 'dvc': 36885, 'level-trigger': 0, 'virgin': False, 'health': 0, 'known': False, 'type': 0, 'id': 17} error: Error attempting to read r-value (2). Done. And the log: papa@HpLinux ~/Downloads/hplip-3.15.4 $ cat /var/log/syslog May 26 19:14:48 HpLinux python: io/hpmud/hpmud.c 387: [3463] hpmud_init() May 26 19:14:48 HpLinux python: io/hpmud/hpmud.c 530: [3463,3272,1000,1000,1000,1000] hpmud_device_open() uri=hp:/usb/Photosmart_C4100_series?serial=MY78FJ141R04J7 iomode=3 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 426: Found interface conf=0, iface=1, altset=0, index=1 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 388: Active kernel driver on interface=1 ret=0 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 531: claimed 7/1/2 interface May 26 19:14:48 HpLinux python: io/hpmud/musb.c 775: read actual device_id successfully fd=1 len=216 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 557: released 7/1/2 interface May 26 19:14:48 HpLinux python: io/hpmud/hpmud.c 577: [3463] hpmud_get_device_id() dd=1 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 426: Found interface conf=0, iface=1, altset=0, index=1 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 388: Active kernel driver on interface=1 ret=0 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 531: claimed 7/1/2 interface May 26 19:14:48 HpLinux python: io/hpmud/musb.c 775: read actual device_id successfully fd=1 len=216 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 557: released 7/1/2 interface May 26 19:14:48 HpLinux python: io/hpmud/hpmud.c 577: [3463] hpmud_get_device_id() dd=1 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 426: Found interface conf=0, iface=1, altset=0, index=1 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 388: Active kernel driver on interface=1 ret=0 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 531: claimed 7/1/2 interface May 26 19:14:48 HpLinux python: io/hpmud/musb.c 775: read actual device_id successfully fd=1 len=216 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 557: released 7/1/2 interface May 26 19:14:48 HpLinux kernel: [ 1125.576400] Did not find alt setting 1 for intf 0, config 1 May 26 19:14:48 HpLinux kernel: [ 1125.576773] Did not find alt setting 1 for intf 0, config 1 May 26 19:14:48 HpLinux kernel: [ 1125.577269] Did not find alt setting 1 for intf 0, config 1 May 26 19:14:48 HpLinux python: io/hpmud/hpmud.c 558: [3463] hpmud_device_close() dd=1 May 26 19:14:48 HpLinux python: io/hpmud/hpmud.c 530: [3463,3272,1000,1000,1000,1000] hpmud_device_open() uri=hp:/usb/Photosmart_C4100_series?serial=MY78FJ141R04J7 iomode=1 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 426: Found interface conf=0, iface=1, altset=0, index=1 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 388: Active kernel driver on interface=1 ret=0 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 531: claimed 7/1/2 interface May 26 19:14:48 HpLinux python: io/hpmud/musb.c 775: read actual device_id successfully fd=1 len=216 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 557: released 7/1/2 interface May 26 19:14:48 HpLinux python: io/hpmud/hpmud.c 577: [3463] hpmud_get_device_id() dd=1 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 426: Found interface conf=0, iface=1, altset=0, index=1 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 388: Active kernel driver on interface=1 ret=0 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 531: claimed 7/1/2 interface May 26 19:14:48 HpLinux python: io/hpmud/musb.c 775: read actual device_id successfully fd=1 len=216 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 557: released 7/1/2 interface May 26 19:14:48 HpLinux python: io/hpmud/hpmud.c 647: [3463] hpmud_channel_open() dd=1 name=PRINT May 26 19:14:48 HpLinux python: io/hpmud/musb.c 955: new PRINT channel=2 clientCnt=1 channelCnt=1 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 426: Found interface conf=0, iface=1, altset=0, index=1 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 388: Active kernel driver on interface=1 ret=0 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 531: claimed 7/1/2 interface May 26 19:14:48 HpLinux python: io/hpmud/hpmud.c 684: [3463] hpmud_channel_write() dd=1 cd=2 buf=0x7ff778b06394 size=65 sectime=30 May 26 19:14:48 HpLinux python: [0000] 1B 25 2D 31 32 33 34 35 58 40 50 4A 4C 20 45 4E .%-12345X@PJL EN May 26 19:14:48 HpLinux python: [0016] 54 45 52 20 4C 41 4E 47 55 41 47 45 3D 50 43 4C TER LANGUAGE=PCL May 26 19:14:48 HpLinux python: [0032] 33 47 55 49 0A 1B 2A 6F 35 57 C0 01 00 00 8C 40 3GUI..*o5W.....@ May 26 19:14:48 HpLinux python: [0048] 50 4A 4C 20 45 4F 4A 0A 1B 25 2D 31 32 33 34 35 PJL EOJ..%-12345 May 26 19:14:48 HpLinux python: [0064] 58 X May 26 19:14:48 HpLinux kernel: [ 1125.588273] Did not find alt setting 1 for intf 0, config 1 May 26 19:14:48 HpLinux kernel: [ 1125.588779] Did not find alt setting 1 for intf 0, config 1 May 26 19:14:48 HpLinux python: io/hpmud/hpmud.c 577: [3463] hpmud_get_device_id() dd=1 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 775: read actual device_id successfully fd=1 len=236 May 26 19:14:48 HpLinux python: io/hpmud/hpmud.c 684: [3463] hpmud_channel_write() dd=1 cd=2 buf=0x7ff778b06394 size=65 sectime=30 May 26 19:14:48 HpLinux python: [0000] 1B 25 2D 31 32 33 34 35 58 40 50 4A 4C 20 45 4E .%-12345X@PJL EN May 26 19:14:48 HpLinux python: [0016] 54 45 52 20 4C 41 4E 47 55 41 47 45 3D 50 43 4C TER LANGUAGE=PCL May 26 19:14:48 HpLinux python: [0032] 33 47 55 49 0A 1B 2A 6F 35 57 C0 01 00 00 8C 40 3GUI..*o5W.....@ May 26 19:14:48 HpLinux python: [0048] 50 4A 4C 20 45 4F 4A 0A 1B 25 2D 31 32 33 34 35 PJL EOJ..%-12345 May 26 19:14:48 HpLinux python: [0064] 58 X May 26 19:14:48 HpLinux kernel: [ 1125.890088] Did not find alt setting 1 for intf 0, config 1 May 26 19:14:48 HpLinux python: io/hpmud/hpmud.c 577: [3463] hpmud_get_device_id() dd=1 May 26 19:14:48 HpLinux python: io/hpmud/musb.c 775: read actual device_id successfully fd=1 len=236 May 26 19:14:48 HpLinux python: io/hpmud/hpmud.c 684: [3463] hpmud_channel_write() dd=1 cd=2 buf=0x7ff778b06394 size=65 sectime=30 May 26 19:14:48 HpLinux python: [0000] 1B 25 2D 31 32 33 34 35 58 40 50 4A 4C 20 45 4E .%-12345X@PJL EN May 26 19:14:48 HpLinux python: [0016] 54 45 52 20 4C 41 4E 47 55 41 47 45 3D 50 43 4C TER LANGUAGE=PCL May 26 19:14:48 HpLinux python: [0032] 33 47 55 49 0A 1B 2A 6F 35 57 C0 01 00 00 8C 40 3GUI..*o5W.....@ May 26 19:14:48 HpLinux python: [0048] 50 4A 4C 20 45 4F 4A 0A 1B 25 2D 31 32 33 34 35 PJL EOJ..%-12345 May 26 19:14:48 HpLinux python: [0064] 58 X May 26 19:14:48 HpLinux kernel: [ 1126.191212] Did not find alt setting 1 for intf 0, config 1 May 26 19:14:49 HpLinux python: io/hpmud/hpmud.c 577: [3463] hpmud_get_device_id() dd=1 May 26 19:14:49 HpLinux python: io/hpmud/musb.c 775: read actual device_id successfully fd=1 len=236 May 26 19:14:49 HpLinux python: io/hpmud/hpmud.c 684: [3463] hpmud_channel_write() dd=1 cd=2 buf=0x7ff778b06394 size=65 sectime=30 May 26 19:14:49 HpLinux python: [0000] 1B 25 2D 31 32 33 34 35 58 40 50 4A 4C 20 45 4E .%-12345X@PJL EN May 26 19:14:49 HpLinux python: [0016] 54 45 52 20 4C 41 4E 47 55 41 47 45 3D 50 43 4C TER LANGUAGE=PCL May 26 19:14:49 HpLinux python: [0032] 33 47 55 49 0A 1B 2A 6F 35 57 C0 01 00 00 8C 40 3GUI..*o5W.....@ May 26 19:14:49 HpLinux python: [0048] 50 4A 4C 20 45 4F 4A 0A 1B 25 2D 31 32 33 34 35 PJL EOJ..%-12345 May 26 19:14:49 HpLinux python: [0064] 58 X May 26 19:14:49 HpLinux kernel: [ 1126.592449] Did not find alt setting 1 for intf 0, config 1 May 26 19:14:49 HpLinux python: io/hpmud/hpmud.c 577: [3463] hpmud_get_device_id() dd=1 May 26 19:14:49 HpLinux python: io/hpmud/musb.c 775: read actual device_id successfully fd=1 len=236 May 26 19:14:49 HpLinux python: io/hpmud/hpmud.c 684: [3463] hpmud_channel_write() dd=1 cd=2 buf=0x7ff778b06394 size=65 sectime=30 May 26 19:14:49 HpLinux python: [0000] 1B 25 2D 31 32 33 34 35 58 40 50 4A 4C 20 45 4E .%-12345X@PJL EN May 26 19:14:49 HpLinux python: [0016] 54 45 52 20 4C 41 4E 47 55 41 47 45 3D 50 43 4C TER LANGUAGE=PCL May 26 19:14:49 HpLinux python: [0032] 33 47 55 49 0A 1B 2A 6F 35 57 C0 01 00 00 8C 40 3GUI..*o5W.....@ May 26 19:14:49 HpLinux python: [0048] 50 4A 4C 20 45 4F 4A 0A 1B 25 2D 31 32 33 34 35 PJL EOJ..%-12345 May 26 19:14:49 HpLinux python: [0064] 58 X May 26 19:14:49 HpLinux kernel: [ 1127.093723] Did not find alt setting 1 for intf 0, config 1 May 26 19:14:50 HpLinux python: io/hpmud/hpmud.c 577: [3463] hpmud_get_device_id() dd=1 May 26 19:14:50 HpLinux python: io/hpmud/musb.c 775: read actual device_id successfully fd=1 len=236 May 26 19:14:50 HpLinux python: io/hpmud/hpmud.c 684: [3463] hpmud_channel_write() dd=1 cd=2 buf=0x7ff778b06394 size=65 sectime=30 May 26 19:14:50 HpLinux python: [0000] 1B 25 2D 31 32 33 34 35 58 40 50 4A 4C 20 45 4E .%-12345X@PJL EN May 26 19:14:50 HpLinux python: [0016] 54 45 52 20 4C 41 4E 47 55 41 47 45 3D 50 43 4C TER LANGUAGE=PCL May 26 19:14:50 HpLinux python: [0032] 33 47 55 49 0A 1B 2A 6F 35 57 C0 01 00 00 8C 40 3GUI..*o5W.....@ May 26 19:14:50 HpLinux python: [0048] 50 4A 4C 20 45 4F 4A 0A 1B 25 2D 31 32 33 34 35 PJL EOJ..%-12345 May 26 19:14:50 HpLinux python: [0064] 58 X May 26 19:14:50 HpLinux kernel: [ 1127.695082] Did not find alt setting 1 for intf 0, config 1 May 26 19:14:51 HpLinux python: io/hpmud/hpmud.c 577: [3463] hpmud_get_device_id() dd=1 May 26 19:14:51 HpLinux python: io/hpmud/musb.c 775: read actual device_id successfully fd=1 len=236 May 26 19:14:51 HpLinux python: io/hpmud/hpmud.c 684: [3463] hpmud_channel_write() dd=1 cd=2 buf=0x7ff778b06394 size=65 sectime=30 May 26 19:14:51 HpLinux python: [0000] 1B 25 2D 31 32 33 34 35 58 40 50 4A 4C 20 45 4E .%-12345X@PJL EN May 26 19:14:51 HpLinux python: [0016] 54 45 52 20 4C 41 4E 47 55 41 47 45 3D 50 43 4C TER LANGUAGE=PCL May 26 19:14:51 HpLinux python: [0032] 33 47 55 49 0A 1B 2A 6F 35 57 C0 01 00 00 00 40 3GUI..*o5W.....@ May 26 19:14:51 HpLinux python: [0048] 50 4A 4C 20 45 4F 4A 0A 1B 25 2D 31 32 33 34 35 PJL EOJ..%-12345 May 26 19:14:51 HpLinux python: [0064] 58 X May 26 19:14:51 HpLinux hp-levels: [3463]: error: Error attempting to read r-value (2). May 26 19:14:51 HpLinux hp-levels: io/hpmud/hpmud.c 665: [3463] hpmud_channel_close() dd=1 cd=2 May 26 19:14:51 HpLinux hp-levels: io/hpmud/musb.c 557: released 7/1/2 interface May 26 19:14:51 HpLinux hp-levels: io/hpmud/musb.c 970: removed PRINT channel=2 clientCnt=0 channelCnt=0 May 26 19:14:51 HpLinux hp-levels: io/hpmud/hpmud.c 558: [3463] hpmud_device_close() dd=1 May 26 19:14:51 HpLinux kernel: [ 1128.396542] Did not find alt setting 1 for intf 0, config 1 May 26 19:14:51 HpLinux hp-levels: io/hpmud/hpmud.c 392: [3463] hpmud_exit() May 26 19:17:01 HpLinux CRON[3522]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Please feel free to ask any more information. Regards, Philippe Le 26/05/2015 08:06, Gaurav Sood a écrit : > Please run hp-levels -g in normal user mode (not in root mode) and > attach the syslog file and the output on the terminal >