Process Control Result - Ricoh G104 Service Manual

4. TROUBLESHOOTING
4.1

PROCESS CONTROL RESULT

The table below lists the process control results shown in SP 3821.
Number
10
21
22
31
51 High Vmin (Bk), High K2 (Color) error
52
53
54
55
56
57 Development bias adjustment error
58 Development bias adjustment error
90
99
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)
SM
CÓPIA NÃO CONTROLADA
Result
Success
ID sensor correction error
ID sensor: LED adjustment error
Charge bias correction error
Low K2 (Color) error
High K5 error
Low K5 error
High development gamma
Low development gamma
No process control
Not successful
4-1
CÓPIA NÃO CONTROLADA
PROCESS CONTROL RESULT
Notes
No error
SC 400
SC 418
SC 300 to 307
SP3145
NOTE
SP3146
NOTE
SP3147
NOTE
SP3147
NOTE
γ > 5.0, NOTE
γ < 0.5,
NOTE
Vk >150V
NOTE
Vk < -150V
NOTE
-
Interrupt during the process
control (e.g. Door open)
G104