Service manual

Maintenance
Description
item No.
2DA/2DB
1-4-30
U157 Checking/clearing the developing drive time
Description
Displays the developing drive time for checking, clearing or changing a figure.
Purpose
To check the developing drive time. Also used to clear the count after replacing the developing unit.
Method
Press the start key. The developing drive time is displayed in minutes.
Clearing
1. Select the CLEAR using the up/down cursor keys.
2. Press the start key. The time is cleared, and the screen for selecting a maintenance item No. is displayed.
Setting
1. Enter a seven-digit drive time (in minutes) using the numeric keys.
2. Press the start key. The time is set, and the screen for selecting a maintenance item No. is displayed.
Completion
To exit this maintenance item without changing the time, press the stop/clear key. The screen for selecting a
maintenance item No. is displayed.
U158 Checking the developing count
Description
Displays the developing count for checking a figure.
Purpose
To check the developing count.
Method
Press the start key. The developing count is displayed.
Completion
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.
Setting
1. Press the start key. The screen for selecting an item is displayed.
2. Select the item to be set using the up/down cursor keys. The screen for executing each item is displayed.
3. Change the setting using the left/right cursor keys.
Display Description Setting range Initial setting
1ST TEMP Primary stabilization fixing temperature 120 to 185 (°C) 140
2ND TEMP Secondary stabilization fixing temperature 120 to 185 (°C) 160
COPY TEMP1 Copying operation temperature 1 160 to 220 (°C) 170
COPY TEMP2 Copying operation temperature 2 160 to 220 (°C) 180
COPY CNT Number of sheets for fixing control 1 to 99 5
THICK CNT Number of sheets for fixing control (thick paper) 1 to 99 20
Copying operation temperature 1: Temperature in copying operation at the start of copying
Copying operation temperature 2: Temperature in copying operation after the specified number of sheets
for fixing control have passed
Number of sheets for fixing control: The number of sheets to be counted for switching from copying
operation temperature 1 to copying operation temperature 2
The temperatures are to be set such that Secondary stabilization
>
=
Primary stabilization.
4. Press the start key. The value is set.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.