NEC Super Script 4400, Руководство по обслуживанию

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Factory Service Mode Test Procedures 253
TROUBLESHOO
TING
35 Each Image
Number of created images per color used in printing can be confirmed.
1. Press Select key after selecting EACH IMAGE mode.
2. Using Scroll key, select the subject color, and then, press Select key.
3. Number of created images per the selected color is displayed. (i.e. Yellow)
4. Press the Clear key to clear the Control Panel LCD
5. Using Scroll key, select other color, and then, press
6. Select key to confirm the number of created images per each colors.
7. Press the Clear key to return to the Service mode.
36 Clear Care
Care Code displayed in the LCD can be cleared. Make sure to implement the displayed CLEAR CARE mode
whenever replacing the applicable periodical replacement parts with new parts.
1. Press Select key after selecting CLEAR CARE mode.
2. Using Scroll key, have the cursor meet the applicable CARE code, and then, press Select key.
3. When implementing CLEAR CARE, use the Scroll key to have the cursor meet YES, and then, press Select key.
• Fuser cleaning roller
• PhotoConductor Belt Module
• Fuser unit
4. Press the Clear key to clear the CLEAR CARE mode.
37 Media Manage
Signal from OHP sensor can be ignored at the media select (OHP). However, this mode should not be used under
the normal circumstances.
1. Press Select key after selecting MEDIA MANAGE.
2. SELECT the DEFIANCE, and then, press the Select key if OHP sensor signal should be ignored
3. In the normal operation, the mode is preset to MANAGE.
39 Factory Mode
This mode consists of nine subordinate modes for the confirmation of operations and the resetting functions
necessary for the maintenance work.
40 DP Check
toner module of each color can be activated.
1. Press Select key after selecting DP CHECK.
2. Using Scroll key, select the desired color, and then, press Select key.(i.e. yellow color)
3. When the yellow toner module is driven and no error is observed by the toner sensor, "Good" will be
displayed on the panel, otherwise, "Fail".
4. Operation of the toner module will be halted automatically after 60 seconds.
5. Press the Clear key to stop the DP CHECK mode.
6. Press the Clear key one more time to return to the status of Control Panel LCD
41 BD Check
Laser position and laser power can be confirmed.
1. Press Select key after selecting BD CHECK. Scanner motor scans the laser beam as rotating.
note:
If the scanning position of laser beam is normal, "GOOD" is displayed in the LCD, otherwise, "FAIL".
Scanner motor automatically halts to rotate 60 seconds after initial rotation.
2. Press the Clear key to stop the BD CHECK mode.