Apple Color Printer Service Manual

K
Service Source

Apple Color Printer

K
Service Source

Basics

Apple Color Printer

Overview

The Apple Color Printer control panel signals
Control
Panel
printer errors by means of status messages, an alarm indicator light, and a beep tone.
Using a set of control keys, you can perform various service functions from the control panel. There are two modes of operation from the panel: user and service. Different levels and types of menus are accessible in each mode.
To access either the user or service menus, you must turn the printer off-line. You can toggle the printer on- and off-line by pressing
Display
the On Line key.
The printer is off-line when
On Line Key
On Line Indicator
the on line indicator is off and the display reads
“00 READY.”
Note:
The * indicates that the print heads are capped and the printer may be turned off.
Basics Control Panel Keys - 3

Control Panel Keys

Four control keys allow you
Display
On Line Key
to operate the user and service menus.
< Key
Enter Key
Menu/> Key
Basics Control Panel Keys - 4
• Pressing the Exit key moves you from the current menu level to the next higher level.
Exit Key
Basics Control Panel Keys - 5
• Pressing the Enter key moves you from the current menu level to the next lower level. If you are at the lowest menu level, pressing the Enter key executes the menu item that is currently displayed.
Enter Key
Basics Control Panel Keys - 6
• Pressing the > or < key changes the menu to the next choice at the same level and changes the value of any parameter displayed.
< Key
Menu/> Key
Basics User Menus - 7

User Menus

To enter the user mode and access the user menus, switch on the printer and set it to off-line (press the On Line key so that the on line indicator turns off).
Press the Menu key once to see the first menu displayed. Then use the > or < key to move between the menus and choices.
Press the Enter key to execute a selection.
< Key
Enter Key
Display
On Line Key
Menu/> Key
Basics User Menus - 8
The following selections are available in the user menus:
PRINTING MODE
• MODE-A Prints plain paper, envelopes, or coated paper
• MODE-B Prints transparencies
• MODE-C Prints blacks twice as dark
• MODE-D Reduces bleeding on graphics with plain paper; increases printing time considerably
• MODE-E Prints high-speed drafts
Basics User Menus - 9
CLEANING
• CLEANING-A Cleaning A clears print head of clogged ink nozzles.
• CLEANING-B If Cleaning A does not work after 2–3 times, use Cleaning B. Cleaning B uses more time and ink (1.5 min. and 2 g of ink).
SET PARAMETER
The Set Parameter menu controls settings for parallel interface. Do not change any of these settings.
Basics User Menus - 10
TEST PRINT
• TEST PRINT-A Gives current status of printer (ROM version, interface, etc.) as well as a color grid
• NOZZLE CHECK Gives test pattern to check print head
DUMP MODE
• DUMP OFF (default mode)
• DUMP ON
INTERFACE SELECT
• SCSI (default mode) Use Enter key to set SCSI ID number.
• PARALLEL
Basics User Menus - 11
COUNTRY CODE
• ENGLISH (default)
• FINNISH
• FRENCH
• GERMAN
• ITALIAN
• JAPANESE
• NORWEGIAN
• PORTUGUESE
• SPANISH
• SWEDISH
• DANISH
• DUTCH
NVRAM INITIALIZE
• INIT. NO (default)
• INIT. YES
Basics User Menus - 12
MEDIA SELECT
• NORMAL PAPER (default)
• ENVELOPE/THICK
Basics Service Menus - 13

Service Menus

To enter the service mode and access the service menus, switch off the printer, hold down the Menu key and the < key at the same time, and switch the printer back on.
Hold down the Menu and < keys until a series of squares appears on the display. Then release the keys, hold down the On Line key, and press the Enter key twice.
< Key
Enter Key
Display
On Line Key
Menu/> Key
Basics Service Menus - 14
Note:
The first menu displayed should be “BLACK OFFSET.” If the first menu is “CLEANING,” you are not in the service mode. Repeat
Display
the entering service mode procedure.
Basics Service Menus - 15
The following selections are available in the service menus:
BLACK OFFSET
Sets value for Black registration
CYAN OFFSET
Sets value for Cyan registration
MAGENTA OFFSET
Sets value for Magenta registration
YELLOW OFFSET
Sets value for Yellow registration
Basics Service Menus - 16
DIRECTION OFFSET
Sets the printing position for printing in both directions
TEST PRINT
• TEST PRINT-A Bubble-jet head jet check pattern
• TEST PRINT-B Bubble-jet head/main unit precision check pattern 1
• TEST PRINT-C Printing position setting pattern
• TEST PRINT-D Bubble-jet head/main unit precision check pattern 2
• HEAT RUN Printer mechanism drive function for factory inspection
Basics Service Menus - 17
CLEANING
• CLEANING-A Clears print head of clogged ink nozzles
• CLEANING-B Checks the ink passage pressure
• CLEANING-C Fills ink passage in the ink supply system
• CLEANING-D Flushes ink supply system
Basics Service Menus - 18
CENTER HEAD
Moves the carriage to the center of the printer to allow replacement of the bubble-jet head unit
When you press the Enter key, the carriage moves (while the beeper sounds) and stays at the center of the printer for 5 seconds. The carriage then returns to its home position. To exit this mode, switch the power off.
Basics Block Diagram - 19

Block Diagram

Basics Wiring Diagram - 20

Wiring Diagram

CNEXT

CNPOW

Basics Wiring Diagram - 21

CNMOT

Basics Wiring Diagram - 22

CNMEC

Basics Wiring Diagram - 23

CNPGM

CNPG

CNINK

CNID

Basics Wiring Diagram - 24

CNPE

CNPAN

Basics Wiring Diagram - 25

CNCAR1

Basics Wiring Diagram - 26

CNCAR2

Basics Wiring Diagram - 27

CNCA1

Basics Wiring Diagram - 28

CNCA2

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