(error)messages in terminal

[tomnagel 126]

The printing window in Cura has 4 tabs. The 'Term' tab apparently shows communication with the Ultimaker.

Mine shows:

 

echo: External ResetMarlin 1.0.0 RC2echo: Last Updated: Marlin-Mon, 11 Jun 2012 17:33:42 +0200 - b67dacdc8f1bd489e058e16d92ba29c364b2a8e5 | Author: Build-Me-Marlinecho: Free Memory: 4494  PlannerBufferBytes: 1232echo:Using Default settings:echo:Steps per unit:echo:  M92 X78.74 Y78.74 Z533.33 E865.89echo:Maximum feedrates (mm/s):echo:  M203 X250.00 Y250.00 Z5.00 E45.00echo:Maximum Acceleration (mm/s2):echo:  M201 X9000 Y9000 Z100 E10000echo:Acceleration: S=acceleration, T=retract accelerationecho:  M204 S3000.00 T3000.00echo:Advanced variables: S=Min feedrate (mm/s), T=Min travel feedrate (mm/s), B=minimum segment time (ms), X=maximum xY jerk (mm/s),  Z=maximum Z jerk (mm/s)echo:  M205 S0.00 T0.00 B20000 X20.00 Z0.40 E5.00echo:PID settings:echo:   M301 P22.20 I1.08 D114.00echo:SD init fail!!Comm timeout, forcing next line!!!!Comm timeout, forcing next line!!!!Comm timeout, forcing next line!!!!Comm timeout, forcing next line!!!!Comm timeout, forcing next line!!!!Comm timeout, forcing next line!!!!Comm timeout, forcing next line!!!!Comm timeout, forcing next line!!!!Comm timeout, forcing next line!!!!Comm timeout, forcing next line!!!!Comm timeout, forcing next line!!Error:checksum mismatch, Last Line:16Resend:17Error:Line Number is not Last Line Number+1, Last Line:16Resend:17Error:Line Number is not Last Line Number+1, Last Line:16Resend:17Error:No Line Number with checksum, Last Line:16Error:Line Number is not Last Line Number+1, Last Line:16Resend:17Error:Line Number is not Last Line Number+1, Last Line:17Resend:18Error:Line Number is not Last Line Number+1, Last Line:17Resend:18Error:Line Number is not Last Line Number+1, Last Line:18Resend:19Error:No Line Number with checksum, Last Line:18!!Comm timeout, forcing next line!!!!Comm timeout, forcing next line!!!!Comm timeout, forcing next line!!Error:checksum mismatch, Last Line:51Resend:52Error:No Line Number with checksum, Last Line:51

 

Should I be worried about these errors?

[Daid 306]

Not really, some communication errors with the USB-Serial are expected and Cura checks and compensates for these communication errors.

[fuchs 0]

+1

I get the same errors, especially "checksum mismatch" - didn't yet ask anybody, so:

Should we be worried about these errors?