03/02 How to use the Diagnostic C/E Mode
WorkCentre Pro 423/428 2-171 CHAPTER 2 TROUBLESHOOTING
2.4.9.9 Mode set
Chain Functio
n
Item Min. value Default Max. value Amount
of change
Adjustment Remarks
50 1 Printing after detecting Toner Empty 0 1 1
0:On 1:Off (By selecting “Off”, the M/C cycles down
after sensing.)
50 6 MSI installed (auto detection) 0 - 1
0:No 1:Yes by hard copy (reading out only)
50 7 FACE UP TRAY installed 0 0 1
0:No 1:Yes
50 9 90-Degree Rotation installed 0 - 1
0:No(without PGM) 1:Yes(with PGM)
50 10 DUPLEX installed 0 - 1
0:No 1:Yes by hard copy (reading out only)
50 11 OCT installed (auto detection) 0 - 1
0:No 1:Yes
50 20 FUSER OVER TEMP disabled 0 0 1
0:Disabled 1:Generated
50 22 Automatically disable copying job (CP/CF/CFP) 4 10 99 1 min.
0:Disable 4 to 99:4 to 99min.
50 23 Darkness at Auto selection (copy darkness) 1 3 5
1:Dark 2:Dark a little 3:Normal 4:Light a little 5:Light
50 24 Warm-up Time Setting for Cold Area (All Tray) 0 0 60 1 sec.
0:Disable 1-60:1 to 60 sec.(Adjustment at IOT
condensation)
50 26 Auto interruption of printer job 0 10 99 1 min.
0:Disable 4-99:4 to 99 min.
50 28 MAIN MOTOR speed adjustment 0 11 21 0.1%
50 29 Adjustment of Toner Empty Warning detection 5
0.5
23
2.3 sec.
40
4 sec.
0.1 sec.
50 30 Adjustment of Toner Empty detection
20
2 sec.
160
16 sec.
200
20 sec.
0.1 sec.
50 31 MC type 0 1
0:DC model 1:MF model
50 33 Number of paper trays installed 2 3
2:3 trays 3:4 trays (If tray 4 enabled, auto detected
after restart)
50 36 DADF is installed 0 2
0:No 2:DADF By hardcopy (reading out only)
50 37 Printer KIT is installed 0 1
0:No 1:Yes By hardcopy (reading out only)
50 39 Switcher is installed 0 1
0:No 1:Yes By hardcopy (reading out only)
50 40 Page memory feature installed 0 2
0:No 1:A4 2:A3By hardcopy (reading out only)
50 41 DADF Stamp installed 0 1
0:No 1:Yes By hardcopy (reading out only)
50 42 Front exposure control 0 0 1
0:No 1:Yes
50 44 MSI A4/LETTER size switchover 0 0 1
0:A4 1:LETTER
50 45 Tray 1 paper type 0 0 2
0: plain paper, 1: transparency, 2: thick paper
50 46 Tray 2 paper type 0 0 2
0: plain paper, 1: transparency, 2: thick paper
50 47 Tray 3 paper type 0 0 2
0: plain paper, 1: transparency, 2: thick paper