imagePROGRAF iPF6400S Service Guide 
 
imagePROGRAF iPF6400S Service Guide    September 2013 
    Page 13 
VI.  Servicing Notes 
A.  Enhanced Service Mode Features 
Enhanced firmware has been added to provide functions for service mode 
adjustments and troubleshooting.  The service mode enhancements when 
applied, will help reduce service costs and maintain uptime. Refer to the 
imagePROGRAF iPF6400S Service Manual for details. 
Table 5 - Enhanced Service Mode Features 
Description  Remarks 
CR Unlock / CR Lock  Locks/unlocks the carriage with the covers closed 
PG Check  Checks Purge Unit operation with the covers closed 
CR Auto Scan  Checks carriage movement while changing scan settings 
Stirring Check  Confirms the ink stirring operation 
OPT SENS Output  Checks multi-sensor status and distance from media 
Nozzle Check  Checks nozzle operation 
Nozzle INF  Confirms nozzle function and non-ejection status 
Memory CHK  Checks DDR & EEP memory function 
Head CNT CHK  Confirms Printhead electrical contact status 
Cogging Torque Check  To check the CR motor cogging torque 
Flex Cable Check  To check the Flat Flex Ribbon Cable function 
B.  Print.Inf Log File  
The Print.Inf file records printer performance and adjustment history data. 
Refer to the imagePROGRAF iPF6400S Service Manual for details. 
 
The log file provides the following: 
•  Dates when WARNINGS and ERRORS occurred 
•  Logs a separate JAM history of print conditions 
•  Records humidity information 
•  Records the number of days from initial Printhead installation 
•  HEAD INF: Logs history of current and previous Printheads 
•  Records results of each adjustment value