Chapter 2 Operation of Diagnostics
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1. Diagnostics for a Standalone Printer

1.1 General

The test print can be used on a standalone printer for operational c heck. For this purpose, the test print
pattern stored in the printer is printed continuously at the continuous printing speed.

1.2 Printing Method

1) Remove the magicolor 3100 Controller Board. (See Disassembly and Asse mbly 12.3.)
2) Put paper in tray 1, and turn the power on.
In the following steps, never touch live parts or driving parts.
3) Short the two pins of the test print connector (P31) on the PWBA HNB MCU.
Reference: To short the two pins, use the tip of a screwdriver to touch both pins at the same time.
4) The printer goes into a READY mode and starts printing. (Printing is carri ed out continuously in the
Duplex mode).
5) To stop the printing, remove the short from the two pins.
The paper is fed from tray 1 only, and if no paper is in tray 1, printing is not carried out.
Reference:Printing will not start if the printer has an error.
Reference: For the READY mode, see 6.2 Operation Modes in Section 6 “Principle of Operation ”.
P31
Pin 2 Pin 1
P14