2DF
1-4-29
Maintenance
Description
item No.
U158 Checking/clearing the developing count
Description
Displays the developing count for checking, clearing or changing a figure, which is used as a reference when
correcting the toner control. It is automatically cleared when U130 is executed.
Purpose
To check the developing count after replacing the developing unit.
Method
Press the start key. The developing count is displayed.
Clearing
1. Press the reset key.
2. Press the start key. The count is cleared, and the screen for selecting a maintenance item No. is displayed.
Setting
1. Enter a six-digit count using the numeric keys.
2. Press the start key. The count is cleared, and the screen for selecting a maintenance item No. is displayed.
Completion
To exit this maintenance item without changing the count, press the stop/clear key. The screen for selecting a
maintenance item No. is displayed.
U161 Setting the fixing control temperature
Description
Changes the fixing control temperature.
Purpose
Normally no change is necessary. However, can be used to prevent curling or creasing of paper, or solve a
fixing problem on thick paper.
Method
1. Press the start key. The screen for selecting an item is displayed.
2. Select the item to be set. The screen for executing each item is displayed.
Display Description
CONTROL TEMP Sets the fixing control temperature.
CORRECT TEMP Sets the fixing correct temperature.
Setting the fixing control temperature
1. Select the item to be set. The selecting item is displayed in reverse.
2. Change the setting using the cursor up/down keys.
Display Description Setting range Initial setting
CONT TEMP Control temperature during copying 100 to 200 (°C) 165
1ST TEMP Primary stabilization fixing temperature 80 to 200 (°C) 110
2ND TEMP Secondary stabilization fixing temperature 100 to 200 (°C) 165
MH OFF TIME(S) OFF time of fixing heater M 5 to 20 12
The respective temperatures are to be set such that 2ND TEMP
>
=
1ST TEMP.
If fixing offset occurs due to excessive fixing temperature, you can increase the preset value of MH OFF
TIME(S) to increase the OFF time of fixing heater M to solve this problem.
3. Press the start key. The value is set.
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