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Ep Setup

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4512-630 EP SETUP EP Defaults This setting is used to restore each printer setting listed in EP SETUP to its factory default value. Sometimes this is used to help correct print quality problems. To restore EP Defaults: 1. Select EP Defaults from EP SETUP. 2. Select Restore to reset the values to the factory settings, and select Do Not Restore to exit without changing the settings. Fuser Temperature (Fuser Temp) This adjustment can be used to help solve some customer problems with paper curl on low grade papers and problems with letterheads on some types of media. The fuser temperature can be adjusted to: Normal, Lower, Lowest. The default is Normal. Transfer The transfer can be adjusted to Low, Medium, or High. The default setting is Medium. Print Contrast The print contrast setting controls the developer voltage offset. The print contrast can be adjusted to Low, Medium, or High. The default setting is Medium. Charge Roll The charge roll can be adjusted to Low, Medium, or High. The default setting is Medium. Gap Adjust The setting adjusts the minimum gap between sheets. Increasing this value may reduce curl of some printed media and eliminate some output bin stacking problems. However, increasing this value also results in slower overall performance, measured in pages per minute. The range of values is 0 to 255, and the default value is 0. Diagnostic aids 3-23

Section	Page
Table of contents	3
Notices and safety information	7
Laser notice	7
Laser	7
Avis relatif à l’utilisation de laser	7
Avvertenze sui prodotti laser	7
Avisos sobre el láser	8
Declaração sobre Laser	8
Laserinformatie	8
Lasermeddelelse	8
Laserilmoitus	9
Huomautus laserlaitteesta	9
Laser-notis	9
Laser-melding	9
Avís sobre el Làser	10
Consignes de sécurité	13
Norme di sicurezza	13
Sicherheitshinweise	14
Pautas de Seguridad	14
Informações de Segurança	14
Informació de Seguretat	15
Preface	16
1. General information	17
Maintenance approach	17
Overview of the operator panel	18
Specifications	19
Memory	19
Print quality	19
Media trays and supply capacity	20
Connectivity and compatibility	21
Types of print media	22
Tips on preventing jams	23
Paper path	23
Tools	24
Acronyms	25
2. Diagnostics information	27
Start	27
Power-On Self Test (POST) sequence	27
Overview of the operator panel and menus	28
Diagram of the printer menus	30
Messages and error codes	31
User attendance messages	31
Cartridge error messages	34
Paper jam error codes (200-series)	34
Service error codes	38
Symptom tables	41
POST symptom table	41
Printer symptom table	42
Service checks	43
Controller card service check	43
Cooling fan service check	44
Cover interlock switch service check	44
Dead machine service check	45
Fuser service check	45
LVPS/HVPS service check	46
Main motor service check	46
Operator panel service check	47
Paper feed service checks	47
Parallel or USB port service check	49
Print quality service checks	50
Printhead service check	57
Transfer roll service check	57
3. Diagnostic aids	59
Accessing service menus	59
Diagnostics mode	60
Entering Diagnostics mode	60
Available tests	60
Exiting Diagnostics mode	62
REGISTRATION	62
PRINT TESTS	71
HARDWARE TESTS	72
DUPLEX TESTS	74
INPUT TRAY TESTS	76
OUTPUT BIN TESTS	77
BASE SENSOR TEST	78
PRINTER SETUP	79
EP SETUP	81
EVENT LOG	82
EXIT DIAGNOSTICS	83
Configuration menu (CONFIG MENU)	84
Entering Configuration Menu	84
Available menus	84
Maintenance page count (Maint Cnt Value)	85
Maintenance page counter reset (Reset Maint Cnt)	85
Print quality pages (Prt Quality Pgs)	85
Panel Menus	85
PPDS Emulation	86
Demo Mode	86
Factory Defaults	86
Energy Conserve	86
EVENT LOG	86
Paper Prompts	86
Env Prompts	86
Change Prompts	87
Reduced Curl	87
USB Speed	87
Exit Config Menu	87
4. Repair information	89
Handling ESD-sensitive parts	89
Removal procedures	89
5. Locations and connections	137
Locations	137
Front view	137
Rear view	137
Controller card connector pin values	138
Connectors	140
6. Preventive maintenance	141
Safety inspection guide	141
Lubrication specifications	141
Maintenance kits	141
7. Parts Catalog	143
How to use this parts catalog	143
Assembly 1: Covers	144
Assembly 2: Electronics	146
Assembly 3: Frame	148
Assembly 4: Options	150
Assembly 5: Power cords	150
Wiring diagram	156

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Diagnostic aids

3-23

4512-630

EP SETUP

EP Defaults

This setting is used to restore each printer setting listed in EP SETUP to its factory default value. Sometimes this

is used to help correct print quality problems.

To restore EP Defaults:

Select

EP Defaults

from EP SETUP.

Select

Restore

to reset the values to the factory settings, and select

Do Not Restore

to exit without

changing the settings.

Fuser Temperature (Fuser Temp)

This adjustment can be used to help solve some customer problems with paper curl on low grade papers and

problems with letterheads on some types of media.

The fuser temperature can be adjusted to: Normal, Lower, Lowest. The default is Normal.

Transfer

The transfer can be adjusted to Low, Medium, or High. The default setting is Medium.

Print Contrast

The print contrast setting controls the developer voltage offset.

The print contrast can be adjusted to Low, Medium, or High. The default setting is Medium.

Charge Roll

The charge roll can be adjusted to Low, Medium, or High. The default setting is Medium.

Gap Adjust

The setting adjusts the minimum gap between sheets. Increasing this value may reduce curl of some printed

media and eliminate some output bin stacking problems. However, increasing this value also results in slower

overall performance, measured in pages per minute. The range of values is 0 to 255, and the default value is 0.