Introduction
This document includes information about servicing the Color Controller E-85A, which is referred to in this document as
the “E-85A”.
Document conventions
Note:
The NOTE format highlights important messages and additional information.
About the E-85A
The E-85A adds computer connectivity and highly efficient PostScript and PCL printing ability to the Pro C7200 series
printer.
With the E-85A, customers can use the printer as a PostScript and PCL printer. Once it is connected to the printer through
the network, customers can print to the E-85A from supported client computers on the network.
The E-85A ships with software preinstalled so that customers can use it immediately. However, as part of servicing the E-
85A, you may need to reinstall software.
How the E-85A operates
When a customer prints, the motherboard and printer interface board process image data. The printer interface board is a
custom board and allows the E-85A to communicate with the printer. The CPU controls the transfer of image data to and
from the motherboard and runs the PostScript interpreter. DIMMs hold image data during printing.
The interpreter rasterizes the page description file and compresses the image pattern into memory using compression
technology. The interpreter outputs the compressed raster data through the image frame buffer memory to the printer
interface board. The raster data is sent to the printer, which then renders the image on paper at maximum speed.
Before you service the E-85A
Before you service the E-85A, it is strongly recommended that you make sure that you have the required tools (
and carefully review all precautions.
Warning:
The WARNING icon indicates a warning concerning operations which, if not performed correctly, may
lead to death or injury. To use the E-85A safely, always pay attention to WARNING icons and messages.
Caution:
The CAUTION icon indicates a caution concerning operations which, if not performed correctly, may lead
to injury. To use the E-85Asafely, always pay attention to CAUTION icons and messages.
Important:
The IMPORTANT icon indicates operational requirements and restrictions. To operate the E-85A
correctly and avoid damage to the E-85A or other property, always pay attention to IMPORTANT icons and
messages.
