Canon IPF850, Service Manual

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Canon
imagePROGRAF iPF850/iPF840/iPF830 Service Guide
imagePROGRAF iPF850/iPF840/iPF830 Service Guide July 2015
Page 16
F. Service Mode Features
Note: Refer to the imagePROGRAF iPF850, imagePROGRAF iPF840 or the
imagePROGRAF iPF830 Service Manual for details.
Table 20 - Service Mode Features
Service
Mode
Service Mode
Feature
Remarks
Display
Print INF Records printer performance and adjustment history data.
System Displays the printer information shown below.
Head Displays the following EEPROM information of the printhead.
Ink
Displays the numbers of days passed since installation of the following
ink tanks.
Warning
Displays the warning history (up to 20 events). The newest event has
the smallest history number.
Error
Displays the error history (up to 20 events). The newest event has the
smallest history number.
Jam
Displays log of jams that have occurred (up to five events). The
newest event has the smallest history number.
Ink Check
Displays the number of times the remaining ink level detection function
was turned off, to accommodate refilled ink cartridges in the order of
C, M, Y, MBK and BK.
I/O Display
I/O Display 1
The status of each sensor and switch is shown in the display. I/O Display 2
I/O Display 3
Adjust
Print Pattern Prints the nozzle check pattern
Head Adj. Set or initialize the registration adjustment values of each printheads.
Nozzle Chk Pos.
This mode is for adjusting the optical axis of the head management
sensor. For details, refer to "Disassembly/Reassembly" > "Adjustment
and Setup Items" > "Pro- after replacing the head management
sensor".
Gap Calib.
This mode measures the gap between the printhead and media by
using the multi sensor and corrects the calibration value.
Change Lf Type Change the type of the feed roller.
Rough
Prints the pattern for auto head adjustment and adjust it (rough
adjustment).
Auto Reg Prints the pattern for auto head adjustment and adjust it.
Cr Reg
Executes automatic head adjustment. Make this adjustment if the
registration remains partially misregistered after user-mode head
adjustment.
Cr Motor Cog Adjust the carriage motor rotation.
Margin Adj
This mode is to perform the fine adjustment of the leading and trailing
edge margin.
Function
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
Cr Scan Count
Sets the number of scans (1 to 30) to be performed with CR AUTO
SCAN.
Cr Scan Size Sets the scan width to be performed with CR AUTO SCAN.
Cr Scan Speed Sets the speed of the scan to be performed with CR AUTO SCAN.
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 Check Checks DDR & EEP memory function
Head Count Check Confirms Printhead electrical contact status
Cr Err Chk Performs the self-diagnosis about the drive state of the carriage unit.
Head Chk
Performs in case the printhead is abnormal. It can guess whether the
failure cause is the printhead or not.