Error Messages, Codes, and Procedures 3-191
Incorrect Tray 4-5 Installed - H7-8 Type Error
The 1000-Sheet Feeder is not recognized as the proper type for the printer.
Applicable Error Code
Incorrect Tray 4-5 Installed - H7-8 Type Error
Tray 4-5 Comm Failure Troubleshooting Procedure
Step Actions and Questions Yes No
1
Check the 1000-Sheet Feeder installation.
Disconnect P/J413 from the Printer and
reconnect it.
Does the 1000-Sheet Feeder operate?
Problem solved. Go to Step 2.
2
Check the Tray 4-5 PWB connection.
Is P/J541 connected?
Go to Step 3. Connect P/J413.
3
Check continuity between the Tray 4-5
PWB and the Engine Logic Board.
1. DisconnectP/J413 and P/J541.
2. Check for continuity at the following:
P/J413-A1 <=> P/J541-1
P/J413-A2<=> P/J541-2
P/J413-A3 <=> P/J541-3
P/J413-A4 <=> P/J541-4
P/J413-A5 <=> P/J541-5
P/J413-A6 <=> P/J541-6
P/J413-B1 <=> P/J541-7
P/J413-B2 <=> P/J541-8
P/J413-B3 <=> P/J541-9
P/J413-B4 <=> P/J541-10
P/J413-B5 <=> P/J541-11
P/J413-B6 <=> P/J541-12
Are these conductive?
Go to Step 4. Repair the wiring.
4
Check for +5 V to the Tray 4-5 PWB.
Is there +5 V across P/J541-5 (+) <=>
ground?
Replace the Tray
4-5 PWB
(
page 3-29).
Replace the
Engine Logic
Board
(
page 8-89).
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