Xerox WorkCentre Pro 423, Service Manual

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03/02 How to use the Diagnostic C/E Mode
WorkCentre Pro 423/428 2-151 CHAPTER 2 TROUBLESHOOTING
Chain Function Item Min. value Default Max. value Amount of
Change
Adjustment Remarks
6 100 Correction action for streaks (Fax) 0 2 10 Mm Corrective action for streaks of lead edge and
side edge at Fax send Scanning
6 101 Fast scan edge erase amount (left) (Fax/Printer) 0 47 94 0.0423 mm
(dot)
6 102 Fast scan edge erase amount (right) (Fax/Printer) 0 47 94 0.0423 mm
(dot)
6 103 Slow scan edge erase amount (lead edge) (Fax/Printer) 0 47 94 0.0423 mm
(dot)
9 90 DEVE BIAS DC Component 152 170 187
10 30 FUSER ON DELAY TIME AT WARM UP 0 20 200 0.01 sec
10 31 FUSER ON DELAY TIME AT STANDBY 0 20 200 0.01 sec
10 32 FUSER ON DELAY TIME AT RUNNING 0 20 200 0.01 sec
10 33 FUSER ON DELAY TIME AT LOW POWER 0 20 200 0.01 sec
10 34 FUSER OFF/ON Count Reduction Control at STANDBY 0 3 20 1 deg.C
10 35 FUSER OFF/ON Count Reduction Control at Running 0 3 20 1 deg.C
10 36 FUSER OFF/ON Count Reduction Control at LOW POWER 0 3 20 1 deg.C
15 1 HDD defective block check & clearance 10-byte ASCII code
15 6 HDD MODEL CODE 10-byte ASCII code
15 7 Number of Pages Accumulated on HD 1 200 200 1 page
15 8 Number of Faulty Blocks on HD
15 9 Total Number of Blocks on HD
15 10 HD Fault Block Inspection Area 1 62 83 100block Execute Ch15-1 after setting change.
15 11 Number of Backup Blocks on HD 1 75 255 2block Execute Ch15-1 after setting change.
20 1 LEAD REGI Adjustment - ALL TRAY 102 112 142 0.26mm As the adj. value is increased, the image
appears later.
20 2 LASER LEAD REGI Adjustment (90 degree ROTATION) 10 36 50 0.26mm
20 3 LASER LEAD REGI Adjustment (180 degree ROTATION) 10 36 50 0.26mm
20 4 LASER LEAD REGI Adjustment (270 degree ROTATION) 10 36 50 0.26mm
20 5 MSI Guide Width Asjustment (Min. width) 208 243 255 When NVM is written, Ch7-6 is executed and
its result is written into NVM.
20 6 MSI Guide Width Asjustment (Max. width) 0 13 47 When NVM is written, Ch7-6 is executed and
its result is written into NVM.
20 7 MSI size detection offset value adjustment 0 16 30 1mm
20 8 Count for Clearing No-toner Warning Status 1 5 99
20 14 Toner save to be enabled/disabled 0 0 1 0:disabled 1:enabled
20 15 Toner Save: Threshold of Adjacent White Pixels 0 0 255
20 16 Toner Save: Threshold of Noted Black Pixels 0 63 255
20 17 Toner Save: Converted Image Darkness 0 0 255
20 18 Delay of Two Clock Pulses in Input Video Data 0 1 1 0:De 1: No delay
20 21 Memory Overflow Processing During Accumulation 0 1 1 0:Discontinue 1: Continue (Erase all files in