1.4.6 Developer Agitation
When the developer is replaced, developer agitation must be performed to
agitate the developer and the toner.
This machine has a program for developer agitation in SP mode (SP 2-225).
When performing the developer agitation for all colors (SP2-225-5)
†
, the
machine automatically performs the following steps.
1 *. The machine makes 12 patterns and calculates a suitable development
potential
→
[Error Code No. 70, 78]**
2 *. The machine replaces the developer for each color.
→
[Error Code No.
71, 72, 78]**
•
It makes a 1 x 1 dot pattern and a 2 x 2 dot pattern
•
It agitates the toner
3. The machine performs the process control self check, without the
potential sensor calibration.
→
[Error Code No. 73, 79]**
4. The machine then performs a free run and checks the conditions.
→
[Error Code No. 74, 75, 79]**
•
It simulates making 10 copies with the 4 x 4 dot pattern.
•
It then checks the M/A and Vsg. (If these values are not in the proper
range, the machine will make the pattern again, a maximum of 2
times.)
* : Steps 1 and 2 are performed continuously for each color
(Bk
→
C
→
M
→
Y).
** : If an error occurs in any of these steps, one of the these error codes will
be generated.
†
: When only the black developer was replaced, enter SP2-225-1. When
the cyan, magenta, and yellow developers were replaced, enter
SP2-225-6.
PROCESS CONTROL
A166/A187/A189 2-20 SM
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