HP LaserJet Enterprise 500 Maintenance Manual - Page 167

Cabinet Models: Install the card cage fan

Page 167 highlights

Platen Open Motor Caution Installation 1. Position the platen open motor assembly with the wires toward the rear (page 208, item 5). 2. Install the two 5/16 inch motor mount screws (and nuts, if present) finger tight. 3. Install the platen open belt and motor pulley. Bottom out the motor pulley on the motor shaft and tighten the 1/16 inch setscrew. 4. Connect the platen motor cable connector to connector shell P106. 5. Connect shell connector P106 to the controller board and install tie wraps to secure the motor cable. (See the wire routing diagrams in Appendix A.) 6. Close the forms thickness lever all the way. 7. Finger tighten the two 5/16 inch screws securing the platen open motor. Too much tension on the platen open belt can change the platen gap, which can lead to premature wear of the platen, damaged hammer tips, and poor print quality. 8. While pulling the platen open motor toward the rear of the printer, adjust the belt tension to 1/8 inch deflection midway between the pulleys. Tighten the upper motor mount screw with a 5/16 inch nutdriver. Tighten the lower 5/16 inch screw with an open end wrench. Check the deflection of the platen open belt again after the mount screws are tight. 9. Snap the platen open belt cover into the slots in the side plate. 10. Cabinet Models: Install the card cage fan (page 148). 11. Cabinet Models: Install the paper path (page 161). Pedestal Models: Install the top cover assembly (page 142). 12. Return the printer to normal operation (page 101). 167

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Platen Open Motor
167
Installation
1.
Position the platen open motor assembly with the wires toward the rear
(page 208, item 5).
2.
Install the two 5/16 inch motor mount screws (and nuts, if present) finger
tight.
3.
Install the platen open belt and motor pulley. Bottom out the motor pulley
on the motor shaft and tighten the 1/16 inch setscrew.
4.
Connect the platen motor cable connector to connector shell P106.
5.
Connect shell connector P106 to the controller board and install tie wraps
to secure the motor cable. (See the wire routing diagrams in Appendix A.)
6.
Close the forms thickness lever all the way.
7.
Finger tighten the two 5/16 inch screws securing the platen open motor.
8.
While pulling the platen open motor toward the rear of the printer, adjust
the belt tension to 1/8 inch deflection midway between the pulleys.
Tighten the upper motor mount screw with a 5/16 inch nutdriver. Tighten
the lower 5/16 inch screw with an open end wrench. Check the deflection
of the platen open belt again after the mount screws are tight.
9.
Snap the platen open belt cover into the slots in the side plate.
10.
Cabinet Models: Install the card cage fan (page 148).
11.
Cabinet Models: Install the paper path (page 161).
Pedestal Models: Install the top cover assembly (page 142).
12.
Return the printer to normal operation (page 101).
Too much tension on the platen open belt can change the platen gap,
which can lead to premature wear of the platen, damaged hammer tips,
and poor print quality.
Caution