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Field Change Orders (FCOs) Archive

This is an archive of old and obsolete FCOs. For all current FCOs, see Thermal 1/1.7 Field Change Orders (FCOs).

Next failure | Next visit | FYI | FCOs By Number

Next failure

FCO Description Release Date Priority Service Actions
CA00233 Highlights of this release include:
  • Minor bug in V1.80 resulting in rare head resets on startup fixed.
  • Bug in V1.82 resulting in rare cases of NVS corruption and head errors fixed.
  • P33 Imaging support finalized.
All devices running versions 1.80 or 1.82 must be upgraded to 1.83 at the next visit. All P33 heads must run firmware version 1.83 or higher at all times.		 Jan 2003 Next Failure Upgrade to V1.83 firmware. Refer to the Firmware releases page for details.

Next visit

FCO Description Release Date Priority Service Actions
CA00029 Firmware Upgrade to version 1.82 Oct 2002 Next Visit Refer to the Downloads page for more details.
E315 Firmware Upgrade to version 1.80 Apr 2002 Next Visit Refer to the Firmware Release page for more details.
E049 Firmware Upgrade to version 1.74. Feb 2001 Next Visit Upgrade all heads to version 1.74 firmware. Solves:
- "stroke profile" command generating a false high reading on the final channel.
- "head power pulse" command was incorrectly modifying the light valve state.
D973 Patent Label Placement Feb 2001 Next Visit #74-3305A, Patent label to be applied to all output devices and thermal heads.
D647 OBSOLETE Revert back to pre ECO D206 desiccant system July 2000 Next Visit Revert all desiccant systems back to the pre-D206 configuration.
See Desiccant Box Upgrade  (05-0161)
D206 OBSOLETE Upgrade Desiccant system October 1999 Next Visit Upgrade all desiccant systems to maintain a positive pressure inside the Thermal Heads.
SeeDesiccant Box Installation Procedure  (72-2127)
D124

OBSOLETE Steel Desiccant Fan Guard

An improperly installed desiccant pouch may force the fan guard into the fan impeller thus preventing the impeller from turning. This will prevent the desiccant system from operating, and lead to premature head failures.

 September 1999 Next visit

Replace the existing plastic fan guard with a stiffer steel fan guard. Two washers will be added between the fan guard and fan, to ensure adequate clearance.
C700 OBSOLETE Thermal Head 1.7X Desiccant Box

When you install a 40W head, match the desiccant box part number against the thermal head part number.

Note: We no longer manufacture 40W thermal heads with 24V power supplies. Eventually, all output devices in the field using 40W thermal heads and 24V power supplies will have to be field upgraded to use 48V power supplies, our new standard.

   Next Visit
The table below shows the part numbers for two types of desiccant boxes for the 1.7X 24V and 48V version thermal heads.
Part # Description Thermal head version (1.7X only)
50-1511-B 24V kit 32-4052-A & 32-4090-A (192 & 224 pixel 24V Heads)
50-1713-A 48V kit 32-4052-B & 32-4090-B (192 & 224 pixel 48V Heads)

If you have the wrong desiccant box, order a new one through logistics. Connecting the wrong box will not work, as the connectors do not match.
B532 Tick Remover (Applies to all thermal heads with serial # 190 and below.)

The Tick Remover consists of an assembly (part # 50-1467A) that fixes to the front of the Thermal Head. It is mounted by means of two screws along the lower edge of the air jet block, and has been designed to provide a VERTICAL jet of air to blow the gas cloud given off the coating of the plate, clear of the laser's light path. Because the jet is now re-positioned, tests have indicated that air flow can be increased significantly, which will enable a higher wpower to be used without causing "Tick" marks.

   Next visit The tick remover can be fitted without removing the head and should take less than an hour to install and setup.
B941
C001		 OBSOLETE Desiccant Box Installation

Condensation in the head due to high humidity may cause premature head failure or laser light reduction. The fix is to install a desiccant box, bag and air tubes (50-1511A) to the cb side of the head to remove moisture. This ECO should be implemented at your next site visit to any site with a thermal head, even if you are not visiting for a call related to an output device or thermal head.

   B941: Next Visit

C001: ASAP

See Desiccant Box Installation Procedure.

Note: The desiccant pouch is contained inside the sealed air tight silver foil bags, each kit ships with 4 bags of desiccant. The desiccant pouch must be removed from the silver foil bag just prior to installation into the desiccant box. The silver bags are not packing !

After you have visited a site, make sure you get in touch with your Regional Coordinator to confirm that the kit was installed. Also enter the upgrade in SAP as a separate call so it can be easily identified. We need to track which sites have had the upgrade, and need to get the majority of these kits installed by the end of April 1998.

Before leaving the site, the FSE should train operators on how to check/replace the desiccant on all Platesetter Automatic machines if the operators seem comfortable with the procedure. So far, replacing desiccant is an FSE only procedure on ALL Trendsetters. An ECO is in the works to relocate the desiccant box remotely from the head.

FYI

FCO Description Release Date Priority Service Actions
C939 OBSOLETE Desiccant boxes no longer shipped with thermal heads
Replacement heads no longer come with desiccant boxes. The Trendsetter 3230 uses a different desiccant box than other output devices, so the desiccant box and bracket have been removed from all thermal head BOMs. When replacing a head, reuse the old desiccant box.		 September 1999 N/A
If you need to order new or replacement desiccant boxes, order kit part numbers:
50-1511B Kit for 24V heads (20W and “A” 40W)
Note: If the kit is notbeing ordered with a replacement head, also order 05-0128 Bracket kit (1) and 82-1027 Chemical desiccant 16 Unit (4). These items are automatically included in RMA kits.
50-1713A Kit for 48V 1.7x heads (“B” 40W or later)

Note: If the kit is not being ordered with a replacement head, also order 82-1027 Chemical desiccant 16 Unit (4). These items are automatically included in RMA kits.
50-1776A Kit for Trendsetter 3230 (TS4)
B700 Thermal Blower upgrade for Platesetter 3244
The thermal blower can overheat, causing it to shut down until the electronics in the blower assembly cools. During this time, the exposure head may overheat, causing it to shut down. The problem is because the blower control electronics is in the warm air path. This upgrade adds baffles to the blower assembly to isolate the electronics from the warm air path. 		  N/A See procedure and drawings.

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