03/02 How to use the Diagnostic C/E Mode
WorkCentre Pro 423/428 2-147 CHAPTER 2 TROUBLESHOOTING
2.4.9 Chain-Function Codes
Chain-Function assignments
l Chain1:Standby Power
l Chain4:Machine Drive Power
l Chain5:Document Transportation
l Chain6:Imaging
l Chain7:Paper Supply
l Chain8:Paper Transportation
l Chain9:Marking
l Chain10:Fusing/Copy Transportation
l Chain12:Finisher
l Chain13:Monitoring
l Chain15:Hard Disk
l Chain20:IOT NVM Adjustment/NVM Initialize
l Chain21:IIT NVM Adjustment
l Chain23:Test Print (600dpi)
l Chain24:Test Print (400dpi)
l Chain25:Billing/EPSV
l Chain28:Custom Presets
l Chain30:HFSI Counter/CRUM
l Chain40:Fault History/Counter
l Chain50:Mode Set
l Chain53/153/253:Automatic Diagnostic (MFarea)
l Chain54: Signal Send Test =ICM (FAX area)
l Chain55/155/255: Signal Send Test =NCU (FAX area)
l Chain57: Fax System Data
l Chain58: Set Fax Function (Image Processing/Transmission)
The function of Chain 155/255 is the same as that of Chain 55
(115 for G3M1/255 and 255 for G3M2)
2.4.9.1 Output Check Chain Function Code List
Chain Function Part/Signal Ref. BSD
4 1 MAIN MOTOR ON
4 2 FUSER &LVPS FAN MOTOR (High Speed)
5 34 DADF Read Position (Side Regi)
This value enters Ch21-Fun82.
535
DADF Read Position ADJ
This value enters Ch21-Fun87.
5 50 DADF Transport Motor Forward (48%)
5 51 DADF Transport MOTOR Forward (100%)
5 52 DADF Transport MOTOR Forward (400%)
5 53 DADF Transport MOTOR Reverse (Backward)
5 54 DADF Pickup Roller Down
5 55 DADF Pickup Roller and Separation Roller Rotation
5 56 DADF Pre-regi. 1 Roller Rotation (48%)
5 57 DADF Pre-regi. 1 Roller Rotation (100%)
5 58 DADF Pre-regi. 1 Roller Rotation (400%)
5 59 DADF Pickup Roller Up
5 80 DADF Paper Reverse Ejection Roller CLUTCH
5 81 DADF Paper Reverse Ejection Roller SOLENOID
5 82 DADF PICK UP Up/Down CLUTCH
5 83 DADF Large Roller Clutch
5 84 DADF STAMP SOLENOID
590 DADF LED
5 99 DADF Sensor Adjustment
6 1 LAMP CARRIAGE Forward
6 2 LAMP CARRIAGE Reverse
6 20 CCD Adjustment Setup
6 25 EXPOSURE LAMP
6 30 Auto Regi. Adjustment Slow Scan
This value enters Ch21-Fun71.
6 31 Auto Regi. Adjustment Fast Scan
This value enters Ch21-Fun70.
6 73 LD Quantity of Light Check (600dpi)
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