PROCESS CONTROL RESULT
SM 4-1 G104
Trouble-
shooting
4. TROUBLESHOOTING
4.1 PROCESS CONTROL RESULT
The table below lists the process control results shown in SP 3821.
Number Result Notes
10 Success No error
21 ID sensor correction error SC 400
22 ID sensor: LED adjustment error SC 418
31 Charge bias correction error SC 300 to 307
51 High Vmin (Bk), High K2 (Color) error SP3145 NOTE
52 Low K2 (Color) error SP3146 NOTE
53 High K5 error SP3147 NOTE
54 Low K5 error SP3147 NOTE
55 High development gamma
γ > 5.0, NOTE
56 Low development gamma
γ < 0.5, NOTE
57 Development bias adjustment error Vk >150V NOTE
58 Development bias adjustment error Vk < -150V NOTE
90 No process control -
99 Not successful
Interrupt during the process
control (e.g. Door open)
NOTE: This error code does not usually occur. Although an error code may be
displayed, if no problem is observed with image density and/or
development gamma, nothing needs to be done. If an image problem such
as low image density is observed, check the following points: Transfer belt
/ PCU / ID sensor / Toner Bottle
The 8 numbers on the LCD in SP 3821 indicate the process control result for each
color.
There are two numbers for each color. The numbers are shown from left to right on
the display as follows: Black, Magenta, Cyan, Yellow.
For example, if process control for each color is successful:
10101010
10 (Black), 10 (Magenta), 10 (Cyan), 10 (Yellow)
If a problem is detected during process control:
10515110
10 (Black), 51 (Magenta), 51 (Cyan), 10 (Yellow)
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