Difference between revisions of "LaserWriter"

 
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[[File:Vintage-apple-laserwriter-600-ps .jpg|thumb]]
  
 
The LaserWriter is a series of laser printers from [[Apple Computer]].
 
The LaserWriter is a series of laser printers from [[Apple Computer]].
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The printer also supports PhotoGrade printing. This is a technology that enables the LaserWriter 12/640 PS printer to print photographs with as many as 97 shades of gray. PhotoGrade can designate more than one level of gray for each pixel by controlling the size of the dots. Photographs printed using PhotoGrade technology retain a higher level of detail than that achieved by other 600-dpi laser printers. You need a minimum of 12 MB of DRAM, implemented by the 8 MB DRAM update, to support this feature.
 
The printer also supports PhotoGrade printing. This is a technology that enables the LaserWriter 12/640 PS printer to print photographs with as many as 97 shades of gray. PhotoGrade can designate more than one level of gray for each pixel by controlling the size of the dots. Photographs printed using PhotoGrade technology retain a higher level of detail than that achieved by other 600-dpi laser printers. You need a minimum of 12 MB of DRAM, implemented by the 8 MB DRAM update, to support this feature.
  
The LaserWriter 12/640 PS printer comes with 4 MB of DRAM installed in one of its two SIMM slots. You can expand DRAM capacity up to 64 MB by using higher capacity SIMMs and populating both slots. The LaserWriter 12/640 PS has separate controller systems for imaging and I/O processing. The imaging system uses an AMD AM29040 processor, and the I/O processing system uses an 80C186 embedded processor. The imaging and I/O systems share messages and data through a shared SRAM (static RAM).  
+
The LaserWriter 12/640 PS printer comes with 4 MB of DRAM installed in one of its two SIMM slots. You can expand DRAM capacity up to 64 MB by using higher capacity SIMMs and populating both slots. The LaserWriter 12/640 PS has separate controller systems for imaging and I/O processing. The imaging system uses an AMD AM29040 processor, and the I/O processing system uses an 80C186 embedded processor. The imaging and I/O systems share messages and data through a shared SRAM (static RAM).
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=LaserWriter 16/600 PS=
 
=LaserWriter 16/600 PS=
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When configured with 12 MB or more of RAM memory, the LaserWriter 16/600 PS printer also supports 600 dpi PhotoGrade printing. Photograde technology allows the LaserWriter 16/600 PS printer to print photographs with as many as 97 shades of gray. Photographs printed using PhotoGrade technology retain a higher level of detail than other 600-dpi laser printers are capable of producing. PhotoGrade can designate more than one level of gray for each pixel by controlling the size of the dots.  
 
When configured with 12 MB or more of RAM memory, the LaserWriter 16/600 PS printer also supports 600 dpi PhotoGrade printing. Photograde technology allows the LaserWriter 16/600 PS printer to print photographs with as many as 97 shades of gray. Photographs printed using PhotoGrade technology retain a higher level of detail than other 600-dpi laser printers are capable of producing. PhotoGrade can designate more than one level of gray for each pixel by controlling the size of the dots.  
  
 +
=LaserWriter Pro 600 & 630=
 +
The LaserWriter Pro 600 and 630 printers are the next-generation replacements for the LaserWriter II printer. They provide higher print quality, better performance, a wider range of interfaces, and improved paper handling, at a lower cost than the LaserWriter IIf or the LaserWriter IIg.
 +
 +
=LaserWriter IIg=
 +
As of this writing, the Apple LaserWriter IIg printer is the most powerful
 +
and most capable LaserWriter every built by Apple.  The LaserWriter IIg is an
 +
expandable network printer that makes use of PhotoGrade technology.  The unit
 +
can print images with more than 65 levels of gray and is capable of smoothing
 +
jagged edges by using its FinePrint technology.
 +
 +
LocalTalk capabilities allow for plug-and-play simplicity when connected to
 +
an AppleTalk network.  The LaserWriter IIg has built-in Ethernet features for
 +
easy connection to high-speed EtherTalk networks.  The unit can be connected
 +
simultaneously to Ethernet, LocalTalk, and other serial interfaces.  The
 +
LaserWriter IIg can be connected to multiple types of computers or networks.
 +
 +
Incorporation of a high-speed controller and Adobe's PostScript Level 2
 +
software results in document printing at a speed of up to twice the speed of
 +
the LaserWriter IINTX.  The newest generation of PostScript improves printing
 +
speed and adds new capabilities over previous models, and is fully compatible
 +
with existing applications and drivers.  The IIg is also compatible with the
 +
Hewlett Packard LaserJet IIP (PCL 4+) emulation software.
 +
 +
=Memory Configurations=
 +
<pre>
 +
Apple LaserWriter Printers: RAM Configurations
 +
 +
            RAM Soldered  Number of    Possible      Physical RAM
 +
Printer    on Board (MB)  SIMM Slots    SIMM Sizes    Configs (MB)  Speed
 +
----------  ------------  ------------  ------------  --------------  -----
 +
LW              1.5            0      N/A          1.5*            N/A
 +
----------  ------------  ------------  ------------  --------------  -----
 +
LW Plus        1.5            0      N/A          1.5*            N/A
 +
----------  ------------  ------------  ------------  --------------  -----
 +
LW IISC%        0              4      256K          1              120ns
 +
----------  ------------  ------------  ------------  --------------  -----
 +
LW IINT%        2              0      N/A          2*              N/A
 +
----------  ------------  ------------  ------------  --------------  -----
 +
LW IINTX%      0              12      256K, 1MB    2,3,4,5,8,9,12  120ns
 +
----------  ------------  ------------  ------------  --------------  -----
 +
LW IIf          0              8      256K, 1MB,    2,4,5,8,16,17,  80ns
 +
                                        4MB          20,32
 +
----------  ------------  ------------  ------------  --------------  -----
 +
LW IIg          0              8      256K, 1MB    5,8,16,17,20,    80ns
 +
                                        4MB          32
 +
----------  ------------  ------------  ------------  --------------  -----
 +
LW Pro 600      0              2      4MB, 8MB,    8,16,20,32      80ns
 +
and 630                                16MB
 +
----------  ------------  ------------  ------------  --------------  -----
 +
LW Pro 810      8              3      4MB, 8MB      8,12,16,20,    N/A
 +
                                                      24,28,32
 +
----------  ------------  ------------  ------------  --------------  -----
 +
LW Select      0.5            1      1MB, 4MB      0.5,1.5,4.5      80ns
 +
300
 +
----------  ------------  ------------  ------------  --------------  -----
 +
LW Select      1.5            1      1MB, 4MB      1.5,2.5,5.5    100ns
 +
310
 +
----------  ------------  ------------  ------------  --------------  -----
 +
LW Select      3              1      4MB, 16MB    7,16            80ns
 +
360
 +
----------  ------------  ------------  ------------  --------------  -----
 +
PLW SC          0              4      256K          1              120ns
 +
----------  ------------  ------------  ------------  --------------  -----
 +
PLW LS          0              4      256K          .5,1            100ns
 +
----------  ------------  ------------  ------------  --------------  -----
 +
PLW NT          0              2      1MB, 4MB      2,8            120ns
 +
----------  ------------  ------------  ------------  --------------  -----
 +
PLW NTR        2              1      1MB, 2MB      3,4              80ns
 +
----------  ------------  ------------  ------------  --------------  -----
 +
PLW 300        0.5            0      N/A          0.5            N/A
 +
 +
Notes
 +
-----
 +
Unless otherwise noted, Apple LaserWriters use 30-pin, 80ns memory SIMMs.
 +
 +
*These LaserWriter printers have the RAM soldered on the board.  There are no RAM upgrades available.
 +
 +
%These LaserWriter printers can be upgraded to a LaserWriter IIf or IIg. Contact your local authorized Apple dealer for upgrade information.
 +
 +
The LaserWriter IINTX uses 64-pin, 120ns (or faster) memory SIMMs.
 +
 +
The LaserWriter Pro 600 and 630 use 72-pin, 80ns (or faster) memory SIMMs. If you use a double-sided SIMM, you can only fill one SIMM slot since a
 +
double-sided SIMM electronically occupies both SIMM slots.
 +
 +
The LaserWriter Pro 810 uses special non-standard 4MB and 8MB memory modules.
 +
 +
The LaserWriter Select 310 uses 72-pin, 100ns (or faster) memory SIMMs.
 +
 +
The LaserWriter Select 360 can be upgraded with a 72-pin, 80ns 16MB (4 Mbit by 32 bit) SIMM with 2K Row refresh (11 bit by 11 bit).
 +
 +
The Personal LaserWriter SC can be upgraded to a Personal LaserWriter NT. Contact your local authorized Apple dealer for upgrade information.
 +
 +
The Personal LaserWriter NT printer's two SIMM slots are treated as one bank; therefore, you cannot combine 1MB and 4MB SIMMs to get a 5MB
 +
configuration.
 +
 +
The Personal LaserWriter NTR uses 72-pin, CAS before RAS, 80ns (or faster) memory SIMMs.
 +
</pre>
 
=Documentation=
 
=Documentation=
 +
[[File:Transparencies.jpg|thumb]]
 
* [[Apple LaserWriter 4/600 PS Developer Note]]
 
* [[Apple LaserWriter 4/600 PS Developer Note]]
 
* [[Apple LaserWriter 12/640 PS Developer Note]]
 
* [[Apple LaserWriter 12/640 PS Developer Note]]
 
* [[Apple LaserWriter 16/600 PS Developer Note]]
 
* [[Apple LaserWriter 16/600 PS Developer Note]]
 +
* [[Apple LaserWriter Pro 600 and 630 Developer Note]]
 +
* [[Apple LaserWriter IIg Product Description]]
 +
* [[Apple LaserWriter Pro 630 Product Description]]
 +
 +
=Disk Gallery=
 +
<gallery mode="packed">
 +
File:Lwdisks1.jpg
 +
File:Lwdisks2.png
 +
File:Lwdisks3.jpg
 +
</gallery>
 +
 +
=Service Gallery=
 +
<gallery mode="packed">
 +
File:Lwservice1.jpg
 +
File:Lwservice2.jpg
 +
File:Lwservice3.jpg
 +
File:Lwservice4.jpg
 +
File:Lwservice5.jpg
 +
File:Lwservice6.jpg
 +
</gallery>
 +
 +
=Related Articles=
 +
* [[Printing from Sun to LaserWriter with CAP]]
 +
* [[CAP LaserWriter Spooler]]
 +
* [[Apple Introduces LaserWriter Select Series of Midrange Laser Printers - 02/1993]]
 +
* [[Apple LaserWriter IINT]]
 +
* [[Apple LaserWriter IINTX]]
 +
* [[Apple Personal LaserWriter 300]]
 +
* [[Apple Personal LaserWriter NT]]
  
 
=See Also=
 
=See Also=

Latest revision as of 14:37, 4 January 2024

Vintage-apple-laserwriter-600-ps .jpg

The LaserWriter is a series of laser printers from Apple Computer.

LaserWriter 4/600 PS

The LaserWriter 4/600 PS printer is a mainstream network laser printer designed for the small-business market. Replacing the Personal LaserWriter 320, it supports PostScript Level 2 functions and produces up to four printed pages per minute. The LaserWriter 4/600 PS printer has improved imaging capabilities and supports 600-dpi (dots per inch) resolution. Using Adobe Memory Booster Technology (AMBT) it accomplishes this with only 2 MB of DRAM.

LaserWriter 12/640 PS

The LaserWriter 12/640 PS printer is a mainstream network laser printer designed for midsize to large businesses, higher education institutions, Macintosh and non-Macintosh networks, and graphics and desktop publishing environments. It supports Adobe PostScript Level 2 programming functions and produces printed pages at a rate of up to 12 letter-size pages per minute. The LaserWriter 12/640 PS printer supports 600 dpi resolution. FinePrint can be selected to smooth text and line art. FinePrint technology gives the printer the ability to print dots of different widths, producing crisper text and graphics.

The printer also supports PhotoGrade printing. This is a technology that enables the LaserWriter 12/640 PS printer to print photographs with as many as 97 shades of gray. PhotoGrade can designate more than one level of gray for each pixel by controlling the size of the dots. Photographs printed using PhotoGrade technology retain a higher level of detail than that achieved by other 600-dpi laser printers. You need a minimum of 12 MB of DRAM, implemented by the 8 MB DRAM update, to support this feature.

The LaserWriter 12/640 PS printer comes with 4 MB of DRAM installed in one of its two SIMM slots. You can expand DRAM capacity up to 64 MB by using higher capacity SIMMs and populating both slots. The LaserWriter 12/640 PS has separate controller systems for imaging and I/O processing. The imaging system uses an AMD AM29040 processor, and the I/O processing system uses an 80C186 embedded processor. The imaging and I/O systems share messages and data through a shared SRAM (static RAM).

LaserWriter 16/600 PS

The LaserWriter 16/600 PS printer is a mainstream network laser printer designed for midsize to large businesses, higher education institutions, Macintosh and non-Macintosh networks, and graphics and desktop publishing environments. Replacing the Apple LaserWriter Pro 630, it supports Adobe PostScript Level 2 programming functions and produces printed pages at a rate of up to seventeen letter-size pages per minute.

The LaserWriter 16/600 PS printer supports 600 dpi resolution. FinePrint can be selected to smooth text and line art. FinePrint technology gives the printer the ability to print dots of different widths, producing crisper text and graphics. Antialiasing smooths the jagged edges of both characters and lines, producing an effective resolution much greater than 600 dpi.

When configured with 12 MB or more of RAM memory, the LaserWriter 16/600 PS printer also supports 600 dpi PhotoGrade printing. Photograde technology allows the LaserWriter 16/600 PS printer to print photographs with as many as 97 shades of gray. Photographs printed using PhotoGrade technology retain a higher level of detail than other 600-dpi laser printers are capable of producing. PhotoGrade can designate more than one level of gray for each pixel by controlling the size of the dots.

LaserWriter Pro 600 & 630

The LaserWriter Pro 600 and 630 printers are the next-generation replacements for the LaserWriter II printer. They provide higher print quality, better performance, a wider range of interfaces, and improved paper handling, at a lower cost than the LaserWriter IIf or the LaserWriter IIg.

LaserWriter IIg

As of this writing, the Apple LaserWriter IIg printer is the most powerful and most capable LaserWriter every built by Apple. The LaserWriter IIg is an expandable network printer that makes use of PhotoGrade technology. The unit can print images with more than 65 levels of gray and is capable of smoothing jagged edges by using its FinePrint technology.

LocalTalk capabilities allow for plug-and-play simplicity when connected to an AppleTalk network. The LaserWriter IIg has built-in Ethernet features for easy connection to high-speed EtherTalk networks. The unit can be connected simultaneously to Ethernet, LocalTalk, and other serial interfaces. The LaserWriter IIg can be connected to multiple types of computers or networks.

Incorporation of a high-speed controller and Adobe's PostScript Level 2 software results in document printing at a speed of up to twice the speed of the LaserWriter IINTX. The newest generation of PostScript improves printing speed and adds new capabilities over previous models, and is fully compatible with existing applications and drivers. The IIg is also compatible with the Hewlett Packard LaserJet IIP (PCL 4+) emulation software.

Memory Configurations

Apple LaserWriter Printers: RAM Configurations

            RAM Soldered   Number of     Possible      Physical RAM
Printer     on Board (MB)  SIMM Slots    SIMM Sizes    Configs (MB)   Speed
----------  ------------  ------------  ------------  --------------  -----
LW              1.5             0       N/A           1.5*            N/A
----------  ------------  ------------  ------------  --------------  -----
LW Plus         1.5             0       N/A           1.5*            N/A
----------  ------------  ------------  ------------  --------------  -----
LW IISC%        0               4       256K          1               120ns
----------  ------------  ------------  ------------  --------------  -----
LW IINT%        2               0       N/A           2*              N/A
----------  ------------  ------------  ------------  --------------  -----
LW IINTX%       0              12       256K, 1MB     2,3,4,5,8,9,12  120ns
----------  ------------  ------------  ------------  --------------  -----
LW IIf          0               8       256K, 1MB,    2,4,5,8,16,17,   80ns
                                        4MB           20,32
----------  ------------  ------------  ------------  --------------  -----
LW IIg          0               8       256K, 1MB     5,8,16,17,20,    80ns
                                        4MB           32
----------  ------------  ------------  ------------  --------------  -----
LW Pro 600      0               2       4MB, 8MB,     8,16,20,32       80ns
and 630                                 16MB
----------  ------------  ------------  ------------  --------------  -----
LW Pro 810      8               3       4MB, 8MB      8,12,16,20,     N/A
                                                      24,28,32
----------  ------------  ------------  ------------  --------------  -----
LW Select       0.5             1       1MB, 4MB      0.5,1.5,4.5      80ns
300
----------  ------------  ------------  ------------  --------------  -----
LW Select       1.5             1       1MB, 4MB      1.5,2.5,5.5     100ns
310
----------  ------------  ------------  ------------  --------------  -----
LW Select       3               1       4MB, 16MB     7,16             80ns
360
----------  ------------  ------------  ------------  --------------  -----
PLW SC          0               4       256K          1               120ns
----------  ------------  ------------  ------------  --------------  -----
PLW LS          0               4       256K          .5,1            100ns
----------  ------------  ------------  ------------  --------------  -----
PLW NT          0               2       1MB, 4MB      2,8             120ns
----------  ------------  ------------  ------------  --------------  -----
PLW NTR         2               1       1MB, 2MB      3,4              80ns
----------  ------------  ------------  ------------  --------------  -----
PLW 300         0.5             0       N/A           0.5             N/A

Notes
-----
Unless otherwise noted, Apple LaserWriters use 30-pin, 80ns memory SIMMs.

*These LaserWriter printers have the RAM soldered on the board.  There are no RAM upgrades available.

%These LaserWriter printers can be upgraded to a LaserWriter IIf or IIg. Contact your local authorized Apple dealer for upgrade information.

The LaserWriter IINTX uses 64-pin, 120ns (or faster) memory SIMMs.

The LaserWriter Pro 600 and 630 use 72-pin, 80ns (or faster) memory SIMMs. If you use a double-sided SIMM, you can only fill one SIMM slot since a
double-sided SIMM electronically occupies both SIMM slots.

The LaserWriter Pro 810 uses special non-standard 4MB and 8MB memory modules.

The LaserWriter Select 310 uses 72-pin, 100ns (or faster) memory SIMMs.

The LaserWriter Select 360 can be upgraded with a 72-pin, 80ns 16MB (4 Mbit by 32 bit) SIMM with 2K Row refresh (11 bit by 11 bit).

The Personal LaserWriter SC can be upgraded to a Personal LaserWriter NT. Contact your local authorized Apple dealer for upgrade information.

The Personal LaserWriter NT printer's two SIMM slots are treated as one bank; therefore, you cannot combine 1MB and 4MB SIMMs to get a 5MB
configuration.

The Personal LaserWriter NTR uses 72-pin, CAS before RAS, 80ns (or faster) memory SIMMs.

Documentation

Disk Gallery

Service Gallery

Related Articles

See Also